1 (Slip Opinion) OCTOBER TERM, 2018

Syllabus

NOTE: Where it is feasible, a syllabus (headnote) will be released, as is being done in connection with this case, at the time the opinion is issued. The syllabus constitutes no part of the opinion of the Court but has been prepared by the Reporter of Decisions for the convenience of the reader. See United States v. Detroit Timber & Lumber Co., 200 U. S. 321, 337.


## SUPREME COURT OF THE UNITED STATES

Syllabus

HERRERA v. WYOMING

CERTIORARI TO THE DISTRICT COURT OF WYOMING

, SHERIDAN COUNTY

No. 17–532. Argued January 8, 2019—Decided May 20, 2019

An 1868 treaty between the United States and the Crow Tribe prom

ised that in exchange for most of the Tribe’s territory in modern-day Montana and Wyoming, its members would “have the right to hunt on the unoccupied lands of the United States so long as game may be found thereon . . . and peace subsists . . . on the borders of the hunt

ing districts.” 15 Stat. 650. In 2014, Wyoming charged petitioner Clayvin Herrera with off-season hunt ing in Bighorn National Forest and being an accessory to the same. The state trial court rejected Herrera’s argument that he had a protected right to hunt in the for

est pursuant to the 1868 Treaty, and a jury convicted him. On ap

peal, the state appellate court relie d on the reasoning of the Tenth
Circuit’s decision in Crow Tribe of Indians v. Repsis, 73 F. 3d 982— which in turn relied upon this Court’s decision in Ward v. Race
Horse , 163 U. S. 504—and held that the treaty right expired upon Wyoming’s statehood. The court rejected Herrera’s argument that this Court’s subsequent decision in Minnesota v. Mille Lacs Band of Chippewa Indians , 526 U. S. 172, repudiated Race Horse and there

fore undercut the logic of Repsis . In any event, th e court concluded, Herrera was precluded from arguing that the treaty right survived Wyoming’s statehood because th e Crow Tribe had litigated Repsis on behalf of itself and its members. Even if the 1868 Treaty right sur

vived Wyoming’s statehood, the court added, it did not permit Herre

ra to hunt in Bighorn National Forest because the treaty right ap

plies only on unoccupied lands an d the national forest became categorically occupied when it was created.

Held : 1. The Crow Tribe’s hunting rights under the 1868 Treaty did not expire upon Wyoming’s statehood. Pp. 6–17.2 HERRERA v. WYOMING

Syllabus

(a) This case is controlled by Mille Lacs , not Race Horse

. Race
Horse concerned a hunting right guaranteed in an 1868 treaty with the Shoshone and Bannock Tribes containing language identical to that at issue here. Relying on two lines of reasoning, the Race Horse Court held that Wyoming’s admission to the United States in 1890 extinguished the Shoshone-Bannock Tr eaty right. First, the doctrine
that new States are admitted to the Union on an “equal footing” with existing States led the Court to conclude that affording the Tribes a protected hunting right lasting after statehood would conflict with the power vested in those States —and newly shared by Wyoming— “to regulate the killing of game with in their borders.” 163 U. S., at

514. Second, the Court found no evidence in the Shoshone-Bannock Treaty itself that Congress intended the treaty right to continue in “perpetuity.” Id. , at 514–515. Mille Lacs undercut both pillars of
Race Horse’ s reasoning. Mille Lacs established that the crucial in

quiry for treaty termination analys is is whether Congress has “clear

ly express[ed]” an intent to abrog ate an Indian treaty right, 526

U. S., at 202, or whether a termination point identified in the treaty itself has been satisfied, id. , at 207. Thus, while Race Horse “was not expressly overruled” in Mille Lacs , it “retain[s] no vitality,” Limbach

v. Hooven & Allison Co. , 466 U. S. 353, 361, and is repudiated to the extent it held that treaty rights can be impliedly extinguished at statehood. Pp. 6–11. (b) Repsis does not preclude Herrera from arguing that the 1868 Treaty right survived Wy oming’s statehood. Even when the elements of issue preclusion are met, an exception may be warranted if there has been an intervening “ ‘change in [the] applicable legal context.’ ” Bobby v. Bies , 556 U. S. 825, 834. Here, Mille Lacs ’ repudiation of

Race Horse ’s reasoning—on which Repsis relied—justifies such an ex

ception. Pp. 11–13. (c) Applying Mille Lacs , Wyoming’s admission into the Union did not abrogate the Crow Tribe’s off-res ervation treaty hunting right. First, the Wyoming Statehood Act does not show that Congress “clearly expressed” an intent to end the 1868 Treaty hunting right. See 526 U. S., at 202. There is also no evidence in the treaty itself that Congress intended the hunting right to expire at statehood, or
that the Crow Tribe would have understood it to do so. Nor does the historical record support such a reading of the treaty. The State counters that statehood, as a practi cal matter, rendered all the lands in the State occupied. Even assumi ng that Wyoming presents an ac

curate historical picture, the State, by using statehood as a proxy foroccupation, subverts this Court’s clear instruction that treatyprotected rights “are not impliedl y terminated upon statehood.” Id

., at 207. To the extent that the St ate seeks to rely on historical evi

-3 Cite as: 587 U. S. ____ (2019)

Syllabus

dence to establish that all land in Wyoming was fu nctionally “occu

pied” by 1890, its arguments fall outside the question presented and are unpersuasive in any event. Pp. 13–17.

2. Bighorn National Forest did not become categorically “occupied” within the meaning of the 1868 Treaty when the national forest was created. Construing the treaty’s terms as “ ‘they would naturally be understood by the Indians,’ ” Washington v. Washington State Com

mercial Passenger Fishing Vessel Assn. , 443 U. S. 658, 676, it is clear
that the Tribe would have understood the word “unoccupied” to de

note an area free of residence or se ttlement by non-Indians. That in

terpretation follows from several cues in the treaty’s text. For exam

ple, the treaty made the hunting right contingent on peace “among the whites and Indians on the borders of the hunting districts,” 15 Stat. 650, thus contrasting the uno ccupied hunting districts with ar

eas of white settlement. Historical evidence confirms this reading of “unoccupied.” Wyoming’s counter arguments are unavailing. The Federal Government’s exercise of control and withdrawing of the for

est lands from settlement would not categorically transform the terri

tory into an area resided on or se ttled by non-Indians; quite the oppo

site. Nor would mining and logging of the forest lands prior to 1897

have caused the Tribe to view th e Bighorn Mountains as occupied. Pp. 17–21.

3. This decision is limited in tw o ways. First, the Court holds that Bighorn National Forest is not categorically occupied, not that all areas within the forest are unoccupied . Second, the state trial court decided that Wyoming could regulate the exercise of the 1868 Treaty right “in the interest of conservation,” an issue not reached by the appellate court. The Court also d oes not address the viability of the State’s arguments on this issue. Pp. 21–22.

Vacated and remanded.

S OTOMAYOR

, J., delivered the opinion of the Court, in which G INS

BURG , B REYER , K AGAN

, and G ORSUCH

, JJ., joined. A LITO

, J., filed a dis

senting opinion, in which R OBERTS

, C. J., and T HOMAS and K AVANAUGH

, JJ., joined._________________

_________________ 1 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are requested to notify the Reporter of Decisions, Supreme Court of the United States, Wash

ington, D. C. 20543, of any typographical or other formal errors, in order that corrections may be made before the preliminary print goes to press.


## SUPREME COURT OF THE UNITED STATES

No. 17–532

CLAYVIN HERRERA, PETITIONER v. WYOMING

ON WRIT OF CERTIORARI TO THE DISTRICT COURT OF
WYOMING

, SHERIDAN COUNTY

[May 20, 2019]

J USTICE S OTOMAYOR delivered the opinion of the Court.
In 1868, the Crow Tribe ceded most of its territory in modern-day Montana and Wyoming to the United States. In exchange, the United Stat es promised that the Crow Tribe “shall have the right to hunt on the unoccupied lands of the United States so long as game may be found thereon” and “peace subsists . . . on the borders of the hunting districts.” Treaty Be tween the United States of America and the Crow Tribe of Indians (1868 Treaty), Art. IV, May 7, 1868, 15 Stat. 650. Petitioner Clayvin Herrera, a member of the Tribe, invoked this treaty right as a defense against charges of off-season hunting in Bighorn National Forest in Wyoming. The Wyoming courts held that the treaty-protected hunting right expired when Wyoming became a State and, in any event, does not permit hunting in Bighorn National Forest because that land is not “unoccupied.” We disagree. The Crow Tribe’s hunting right survived Wyoming’s statehood, and the lands within Bighorn National Forest did not become categorically “occupied” when set aside as a national

reserve.2 HERRERA v. WYOMING

Opinion of the Court

I
A
The Crow Tribe first inhabited modern-day Montana more than three centuries ago. Montana v. United States

, 450 U. S. 544, 547 (1981). The Tribe was nomadic, and its members hunted game for subsistence. J. Medicine Crow, From the Heart of the Crow Country 4–5, 8 (1992). The Bighorn Mountains of southern Montana and northern Wyoming “historically made up both the geographic and the spiritual heart” of the Tribe’s territory. Brief for Crow
Tribe of Indians as Amicus Curiae 5. The westward migration of non-Indians began a new chapter in the Tribe’s history. In 1825, the Tribe signed a treaty of friendship with the United States. Treaty With the Crow Tribe, Aug. 4, 1825, 7 Stat. 266. In 1851, the
Federal Government and tribal representatives entered into the Treaty of Fort Laramie, in which the Crow Tribe and other area tribes demarcated their respective lands.

Montana , 450 U. S., at 547–548. The Treaty of Fort Laramie specified that “the tribes did not ‘surrender the privilege of hunting, fishing, or passing over’ any of the lands in dispute” by entering the treaty. Id., at 548. After prospectors struck gold in Idaho and western Montana, a new wave of settlement prompted Congress to initiate further negotiations. See F. Hoxie, Parading Through History 88–90 (1995). Federal negotiators, in

cluding Commissioner of Indian Affairs Nathaniel G. Taylor, met with Crow Tribe leaders for this purpose in 1867. Taylor acknowledged that “settlements ha[d] been made” upon the Crow Tribe’s lands and that their “game [was] being driven away.” Institute for the Development of Indian Law, Proceedings of the Great Peace Commis

sion of 1867–1868, p. 86 (1975) (hereinafter Proceedings).

He told the assembled tribal leaders that the United States wished to “set apart a tract of [Crow Tribe] country as a home” for the Tribe “forever” and to buy the rest of3 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

the Tribe’s land. Ibid . Taylor emphasized that the Tribe would have “the right to hunt upon” the land it ceded to the Federal Government “as long as the game lasts.” Ibid

. At the convening, Tribe leaders stressed the vital im

portance of preserving their hunting traditions. See id ., at 88 (Black Foot: “You speak of putting us on a reservation and teaching us to farm. . . . That talk does not please us. We want horses to run after the game, and guns and ammunition to kill it. I would like to live just as I have been raised”); id ., at 89 (Wolf Bow: “You want me to go on
a reservation and farm. I do not want to do that. I was not raised so”). Although Taylor responded that “[t]he game w[ould] soon entirely disappear,” he also reassured tribal leaders that they would “still be free to hunt” as they did at the time even after the reservation was created.
Id ., at 90. The following spring, the Crow Tribe and the United States entered into the treaty at issue in this case: the 1868 Treaty. 15 Stat. 649. Pursuant to the 1868 Treaty, the Crow Tribe ceded over 30 million acres of territory to
the United States. See Montana , 450 U. S., at 547–548; Art. II, 15 Stat. 650. The Tribe promised to make its “permanent home” a reservation of about 8 million acres in what is now Montana and to make “no permanent settlement elsewhere.” Art. IV, 15 Stat. 650. In exchange, the United States made certain promises to the Tribe, such as agreeing to construct buildings on the reservation, to provide the Tribe members with seeds and implements for farming, and to furnish the Tribe with clothing and other goods. 1868 Treaty, Arts. III–XII, id. , at 650–652. Article IV of the 1868 Treaty memorialized CommissionerTaylor’s pledge to preserve the Tribe’s right to hunt offreservation, stating:

“The Indians . . . shall have the right to hunt on the unoccupied lands of the United States so long as game4 HERRERA v. WYOMING

Opinion of the Court

may be found thereon, and as long as peace subsists among the whites and Indians on the borders of the hunting districts.” Id ., at 650.

A few months after the 1868 Treaty signing, Congress established the Wyoming Territory. Congress provided that the establishment of this new Territory would not “impair the rights of person or property now pertaining to the Indians in said Territory, so long as such rights shall remain unextinguished by treaty.” An Act to Provide a Temporary Government for the Territory of Wyoming (Wyoming Territory Act), Jul y 25, 1868, ch. 235, 15 Stat.

178. Around two decades later, the people of the new Territory adopted a constituti on and requested admission to the United States. In 1890, Congress formally admitted Wyoming “into the Union on an equal footing with the original States in all respects,” in an Act that did not mention Indian treaty rights. An Act to Provide for the Admission of the State of Wyoming into the Union (Wyo

ming Statehood Act), July 10, 1890, ch. 664, 26 Stat. 222. Finally, in 1897, President Grover Cleveland set apart an area in Wyoming as a public land reservation and declared the land “reserved from entry or settlement.” Presidential Proclamation No. 30, 29 Stat. 909. This area, made up of lands ceded by the Crow Tribe in 1868, became known as the Bighorn National Forest. See App. 234; Crow Tribe of
Indians v. Repsis , 73 F. 3d 982, 985 (CA10 1995).

B
Petitioner Clayvin Herrera is a member of the Crow
Tribe who resides on the Crow Reservation in Montana. In 2014, Herrera and other Tribe members pursued a group of elk past the boundary of the reservation and into the neighboring Bighorn National Forest in Wyoming. They shot several bull elk and returned to Montana with the meat. The State of Wyoming charged Herrera for taking elk off-season or without a state hunting license5 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

and with being an accessory to the same. In state trial court, Herrera asserted that he had a protected right to hunt where and when he did pursuant to the 1868 Treaty. The court disagreed and denied Her

rera’s pretrial motion to dismiss. See Nos. CT–2015–2687, CT–2015–2688 (4th Jud. Dist. C. C., Sheridan Cty., Wyo., Oct. 16, 2015), App. to Pet. for Cert. 37, 41. Herrera un

successfully sought a stay of the trial court’s order from the Wyoming Supreme Court and this Court. He then went to trial, where he was not permitted to advance a treaty-based defense, and a jury convicted him on both counts. The trial court impo sed a suspended jail sentence, as well as a fine and a 3-year suspension of Herrera’s hunting privileges. Herrera appealed. The central question facing the stateappellate court was whether the Crow Tribe’s offreservation hunting right was still valid. The U. S. Court of Appeals for the Tenth Circuit, reviewing the same treaty right in 1995 in Crow Tribe of Indians v. Repsis

, had ruled that the right had expired when Wyoming be

came a State. 73 F. 3d, at 992–993. The Tenth Circuit’s
decision in Repsis relied heavily on a 19th-century deci

sion of this Court, Ward v. Race Horse , 163 U. S. 504, 516 (1896). Herrera argued in the state court that this Court’s subsequent decision in Minnesota v. Mille Lacs Band of Chippewa Indians , 526 U. S. 172 (1999), repudiated Race

Horse , and he urged the Wyoming court to follow Mille

Lacs instead of the Repsis and Race Horse decisions that preceded it. The state appellate court saw things differently. Rea

soning that Mille Lacs had not overruled Race Horse , the court held that the Crow Tribe’s 1868 Treaty right expired upon Wyoming’s statehood. No. 2016–242 (4th Jud. Dist., Sheridan Cty., Wyo., Apr. 25, 2017), App. to Pet. for Cert. 31–34. Alternatively, the court concluded that the Repsis Court’s judgment merited issue-preclusive effect against6 HERRERA v. WYOMING

Opinion of the Court

Herrera because he is a member of the Crow Tribe, and the Tribe had litigated the Repsis suit on behalf of itself and its members. App. to Pet. for Cert. 15–17, 31; App.

258. Herrera, in other words, was not allowed to relitigate the validity of the treaty right in his own case. The court also held that, even if the 1868 Treaty right survived Wyoming’s entry into the Union, it did not permit Herrera to hunt in Bighorn Na tional Forest. Again follow

ing Repsis , the court concluded that the treaty right ap

plies only on “unoccupied” lands and that the national forest became categorically “occupied” when it was created. See App. to Pet. for Cert. 33–34; Repsis , 73 F. 3d, at 994. The state appellate court affirmed the trial court’s judg

ment and sentence. The Wyoming Supreme Court denied a petition for review, and this Court granted certiorari. 585 U. S. ___ (2018). For the reasons that follow, we now vacate and
remand.

II
We first consider whether the Crow Tribe’s hunting rights under the 1868 Treaty remain valid. Relying on
this Court’s decision in Mille Lacs , Herrera and the United States contend that those rights did not expire when Wyoming became a State in 1890. We agree.

A
Wyoming argues that this Court’s decision in Race

Horse establishes that the Crow Tribe’s 1868 Treaty right expired at statehood. But this case is controlled by Mille

Lacs , not Race Horse

. Race Horse concerned a hunting right guaranteed in a treaty with the Shoshone and Bannock Tribes. The Shoshone-Bannock Treaty and the 1868 Treaty with the Crow Tribe were signed in the same year and contain identical language reservin g an off-reservation hunting7 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

right. See Treaty Between th e United States of America and the Eastern Band of Shoshonees [ sic ] and the Bannack [ sic ] Tribe of Indians (Sho shone-Bannock Treaty), July 3, 1868, 15 Stat. 674–675 (“[T]hey shall have the right to hunt on the unoccupied lands of the United States so long as game may be found thereon, and so long as peace subsists among the whites and Indians on the bor

ders of the hunting districts”). The Race Horse Court concluded that Wyoming’s admission to the United States extinguished the Shoshone-Bannock Treaty right. 163 U. S., at 505, 514–515.

Race Horse relied on two lines of reasoning. The first
turned on the doctrine that new States are admitted to the Union on an “equal footing” with existing States. Id ., at 511–514 (citing, e

. g ., Lessee of Pollard v. Hagan , 3 How. 212 (1845)). This doctrine led the Court to conclude that the Wyoming Statehood Act repealed the Shoshone and Bannock Tribes’ hunting rights, because affording the Tribes a protected hunting right lasting after statehood would be “irreconcilably in conflict” with the power— “vested in all other States of the Union” and newly shared by Wyoming—“to regulate the killing of game within their borders.” 163 U. S., at 509, 514.Second, the Court found no evidence in the ShoshoneBannock Treaty itself that Congress intended the treaty right to continue in “perpetuity.” Id ., at 514–515. To the contrary, the Court emphasized that Congress “clearly contemplated the disappearance of the conditions” speci

fied in the treaty. Id ., at 509. The Court decided that the rights at issue in the Shoshone-Bannock Treaty were “essentially perishable” and afforded the Tribes only a “temporary and precarious” privilege. Id ., at 515. More than a century after Race Horse and four years
after Repsis relied on that decision, however, Mille Lacs undercut both pillars of Race Horse ’s reasoning. Mille

Lacs considered an 1837 Treaty that guaranteed to several8 HERRERA v. WYOMING

Opinion of the Court

bands of Chippewa Indians the privilege of hunting, fish

ing, and gathering in ceded lands “ ‘during the pleasure of
the President.’ ” 526 U. S., at 177 (quoting 1837 Treaty With the Chippewa, 7 Stat. 537). In an opinion extensively discussing and distinguishing Race Horse , the Court de

cided that the treaty rights of the Chippewa bands sur

vived after Minnesota was admitted to the Union. 526

U. S., at 202–208.
Mille Lacs approached the question before it in two stages. The Court first asked whether the Act admitting Minnesota to the Union abrogated the treaty right of the Chippewa bands. Next, the Court examined the Chippewa Treaty itself for evidence that the parties intended the treaty right to expire at stat ehood. These inquires roughly track the two lines of analysis in Race Horse . Despite these parallel analyses, however, the Mille Lacs Court refused Minnesota’s invitation to rely on Race Horse

, explaining that the case had “been qualified by later deci

sions.” 526 U. S., at 203. Although Mille Lacs stopped short of explicitly overruling Race Horse , it methodically repudiated that decision’s logic. To begin with, in addressing the effect of the Minnesota Statehood Act on the Chippewa Treaty right, the Mille

Lacs Court entirely rejected the “equal footing” reasoning applied in Race Horse . The earlier case concluded that the Act admitting Wyoming to the Union on an equal footing “repeal[ed]” the Shoshone-Bannock Treaty right because the treaty right was “irreconcil able” with state sovereignty
over natural resources. Race Horse , 163 U. S., at 514. But
Mille Lacs explained that this conclusion “rested on a false premise.” 526 U. S., at 204. Later decisions showed that States can impose reasonable and nondiscriminatory regulations on an Indian tribe’s treaty-based hunting, fishing, and gathering rights on state land when necessary
for conservation. Id

., at 204–205 (citing Washington v. Washington State Commercial Passenger Fishing Vessel9 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

Assn ., 443 U. S. 658, 682 (1979); Antoine v. Washington

, 420 U. S. 194, 207–208 (1975); Puyallup Tribe v. Depart

ment of Game of Wash ., 391 U. S. 392, 398 (1968)). “[B]ecause treaty rights are reconcilable with state sover

eignty over natural resources,” the Mille Lacs Court con

cluded, there is no reason to find statehood itself sufficient “to extinguish Indian treaty rights to hunt, fish, and gather on land within state boundaries.” 526 U. S., at 205. In lieu of adopting the equal-footing analysis, the Court
instead drew on numerous decisions issued since Race

Horse to explain that Congress “must clearly express” any intent to abrogate Indian treaty rights. 526 U. S., at 202 (citing United States v. Dion , 476 U. S. 734, 738–740 (1986); Fishing Vessel Assn ., 443 U. S., at 690; Menominee
Tribe v. United States , 391 U. S. 404, 413 (1968)). The
Court found no such “‘clear evidence’ ” in the Act admit

ting Minnesota to the Union, which was “silent” with regard to Indian treaty rights. 526 U. S., at 203.
The Mille Lacs Court then turned to what it referred to

as Race Horse ’s “alternative holding” that the rights in the Shoshone-Bannock Treaty “wer e not intended to survive Wyoming’s statehood.” 526 U. S., at 206. The Court
observed that Race Horse could be read to suggest that treaty rights only survive statehood if the rights are “ ‘ “of such a nature as to imply their perpetuity,” ’ ” rather than

“ ‘temporary and precarious.’ ” 526 U. S., at 206. The Court rejected such an approach. The Court found the

“ ‘temporary and precarious’ ” language “too broad to be useful,” given that almost any treaty rights—which Con

gress may unilaterally repudiate, see Dion , 476 U. S., at 738—could be described in those terms. 526 U. S., at 206–

207. Instead, Mille Lacs framed Race Horse as inquiring
into whether the Senate “int ended the rights secured by the . . . Treaty to survive statehood.” 526 U. S., at 207. Applying this test, Mille Lacs concluded that statehood did not extinguish the Chippewa bands’ treaty rights. The10 HERRERA v. WYOMING

Opinion of the Court

Chippewa Treaty itself defined the specific “circumstances under which the rights would terminate,” and there was no suggestion that statehood would satisfy those circum

stances. Ibid

. Maintaining its focus on the treaty’s language, Mille

Lacs distinguished the Chippewa Treaty before it from the Shoshone-Bannock Treaty at issue in Race Horse . Specifi

cally, the Court noted that the Shoshone-Bannock Treaty, unlike the Chippewa Treaty, “tie[d] the duration of the rights to the occurrence of some clearly contemplated event[s]”— i

. e ., to whenever the hunting grounds would cease to “remai[n] unoccupied and owned by the United States.” 526 U. S., at 207. In drawing that distinction, however, the Court took care to emphasize that the treaty termination analysis turns on the events enumerated in the “Treaty itself.” Ibid . Insofar as the Race Horse Court determined that the Shoshone-Bannock Treaty was “im

pliedly repealed,” Mille Lacs disavowed that earlier hold

ing. 526 U. S., at 207. “Treaty rights,” the Court clarified, “are not impliedly terminated upon statehood.” Ibid . The Court further explained that “[t]he Race Horse Court’s decision to the contrary”—that Wyoming’s statehood did imply repeal of Indian treat y rights—“was informed by” that Court’s erroneous conclusion “that the Indian treaty rights were inconsistent with state sovereignty over natu

ral resources.” Id ., at 207–208. In sum, Mille Lacs upended both lines of reasoning in

Race Horse . The case established that the crucial inquiry for treaty termination analysis is whether Congress has expressly abrogated an Indian treaty right or whether a termination point identified in the treaty itself has been satisfied. Statehood is irrelevant to this analysis unless a statehood Act otherwise demonstrates Congress’ clear intent to abrogate a treaty, or statehood appears as a termination point in the treaty. See 526 U. S., at 207. “[T]here is nothing inherent in the nature of reserved11 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

treaty rights to suggest that they can be extinguished by implication at statehood.” Ibid

. Even Wyoming concedes that the Court has rejected the equal-footing reasoning in Race Horse , Brief for Respond

ent 26, but the State contends that Mille Lacs reaffirmed the alternative holding in Race Horse that the ShoshoneBannock Treaty right (and thus the identically phrasedright in the 1868 Treaty with the Crow Tribe) was intended to end at statehood. We are unpersuaded. As ex

plained above, although the decision in Mille Lacs did not explicitly say that it was ov erruling the alternative ground

in Race Horse , it is impossible to harmonize Mille Lacs ’ analysis with the Court’s prior reasoning in Race Horse

. 1
We thus formalize what is evident in Mille Lacs itself.
While Race Horse “was not expressly overruled” in Mille

Lacs , “it must be regarded as retaining no vitality” after
that decision. Limbach v. Hooven & Allison Co ., 466 U. S. 353, 361 (1984). To avoid any future confusion, we make clear today that Race Horse is repudiated to the extent it held that treaty rights can be impliedly extinguished at
statehood.

B
Because this Court’s intervening decision in Mille Lacs repudiated the reasoning on which the Tenth Circuit
relied in Repsis

, Repsis does not preclude Herrera from arguing that the 1868 Treaty right survived Wyoming’s
statehood. Under the doctrine of issue preclusion, “a prior judg

ment . . . foreclos[es] successive litigation of an issue of

——————

1 Notably, the four Just ices who dissented in Mille Lacs protested that the Court “effectively overrule[d] Race Horse sub silentio .” 526

U. S., at 219 (Rehnquist, C. J., disse nting). Others have agreed with this assessment. See, e

. g ., State v. Buchanan , 138 Wash. 2d 186, 211– 212, 978 P. 2d 1070, 1083 (1999) (“[T]he United States Supreme Court effectively overruled Race Horse in Minnesota v. Mille Lacs ”).12 HERRERA v. WYOMING

Opinion of the Court

fact or law actually litigated and resolved in a valid court determination essential to the prior judgment.” New Hampshire v. Maine , 532 U. S. 742, 748–749 (2001). Even when the elements of issue preclusion are met, however, an exception may be warranted if there has been an inter

vening “ ‘change in [the] applicable legal context.’ ” Bobby

v. Bies , 556 U. S. 825, 834 (2009) (quoting Restatement (Second) of Judgments §28, Comment c (1980)); see
Limbach , 466 U. S., at 363 (refusing to find a party bound by “an early decision based upon a now repudiated legal doctrine”); see also Montana v. United States , 440 U. S. 147, 155 (1979) (asking “whether controlling facts or legal principles ha[d] changed significantly” since a judgment before giving it preclusive effect); id., at 157–158 (explain

ing that a prior judgment was conclusive “[a]bsent signifi

cant changes in controlling facts or legal principles” since the judgment); Commissioner v. Sunnen , 333 U. S. 591, 599 (1948) (issue preclusion “is designed to prevent repeti

tious lawsuits over matters which have once been decided
and which have remained subs tantially static, factually and legally”). The change-in-law exception recognizes that applying issue preclusion in changed circumstances may not “advance the equitable administration of the law.” Bobby , 556 U. S., at 836–837. 2

——————

2 The dissent does not disagree outrig ht with this conclusion, noting only that “there is a respectabl e argument on the other side,” post , at

12. The dissent argues that the cases cited above are distinguishable, but we do not read them as narrowly as does the dissent. We note, too,
that the lower federal courts have long applied the change-in-law exception in a variety of contexts. See, e.g ., Dow Chemical Co. v. Nova Chemicals Corp. (Canada) , 803 F. 3d 620, 627–630 (CA Fed. 2015), cert. denied, 578 U. S. ___ (2016); Coors Brewing Co. v. Mendez-Torres , 562
F. 3d 3, 11 (CA1 2009), abrogated on other grounds by Levin v. Com

merce Energy, Inc ., 560 U. S. 413 (2010); Ginters v. Frazier , 614 F. 3d 822, 826–827 (CA8 2010); Faulkner v. National Geographic Enterprises

Inc ., 409 F. 3d 26, 37–38 (CA2 2005); Chippewa & Flambeau Improve

ment Co . v. FERC , 325 F. 3d 353, 356–357 (CADC 2003); Spradling v.13 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

We conclude that a change in law justifies an exception to preclusion in this case. There is no question that the
Tenth Circuit in Repsis relied on this Court’s binding
decision in Race Horse to conclude that the 1868 Treaty right terminated upon Wyomin g’s statehood. See 73 F. 3d,
at 994. When the Tenth Circuit reached its decision in Repsis , it had no authority to disregard this Court’s hold

ing in Race Horse and no ability to predict the analysis this Court would adopt in Mille Lacs

. Mille Lacs repudi

ated Race Horse ’s reasoning. Although we recognize that it may be difficult at the margins to discern whether a particular legal shift warrants an exception to issue pre

clusion, this is not a marginal case. At a minimum, a repudiated decision does not retain preclusive force. See
Limbach , 466 U. S., at 363. 3

C
We now consider whether, applying Mille Lacs , Wyo

ming’s admission to the Unio n abrogated the Crow Tribe’s off-reservation treaty hunting right. It did not. First, the Wyoming Statehood Act does not show that Congress intended to end the 1868 Treaty hunting right. If Congress seeks to abrogate treaty rights, “it must clearly

—————— Tulsa , 198 F. 3d 1219, 1222–1223 (CA10 2000); Mendelovitz v. Adolph
Coors Co ., 693 F. 2d 570, 579 (CA5 1982).

3 We do not address whether a different outcome would be justified if the State had identified “compelling co ncerns of repose or reliance.” See 18 C. Wright, A. Miller, & E. Cooper, Federal Practice and Proce

dure §4425, p. 726 (3d ed. 2016). Wyoming here has not done so. The State suggests that public support for its conservation efforts may be jeopardized if it no longer has “ unquestioned” authority over wildlife management in the Bighorn Mountains. Brief for Respondent 54. Wyoming does not explain why its authority to regulate Indians exer

cising their treaty rights when necessary for conservation is not suffi

cient to preserve that public support, see infra , at 22. The State’s passing reference to upsetting the settled expectations of private property owners is unconvincing because the 1868 Treaty right applies only to “unoccupied lands of the United States.”14 HERRERA v. WYOMING

Opinion of the Court

express its intent to do so.” Mille Lacs , 526 U. S., at 202. “There must be ‘clear evidence that Congress actually
considered the conflict between its intended action on the one hand and Indian treaty rights on the other, and chose to resolve that conflict by abrogating the treaty.’ ” Id ., at 202–203 (quoting Dion , 476 U. S., at 740); see Menominee
Tribe , 391 U. S., at 412. Like the Act discussed in Mille

Lacs , the Wyoming Statehood Act “makes no mention of Indian treaty rights” and “provi des no clue that Congress considered the reserved rights of the [Crow Tribe] and decided to abrogate those rights when it passed the Act.”
Cf. Mille Lacs , 526 U. S., at 203; see Wyoming Statehood Act, 26 Stat. 222. There simply is no evidence that Con

gress intended to abrogate the 1868 Treaty right through the Wyoming Statehood Act, much less the “ ‘clear evi

dence’ ” this Court’s precedent requires. Mille Lacs , 526
U. S., at 203. 4 Nor is there any evidence in the treaty itself that Con

gress intended the hunting righ t to expire at statehood, or
that the Crow Tribe would have understood it to do so. A treaty is “essentially a con tract between two sovereign
nations.” Fishing Vessel Assn ., 443 U. S., at 675. Indian treaties “must be interpreted in light of the parties’ inten

tions, with any ambiguities resolved in favor of the Indi

ans,” Mille Lacs , 526 U. S., at 206, and the words of a treaty must be construed “ ‘in the sense in which they would naturally be understood by the Indians,’ ” Fishing
Vessel Assn ., 443 U. S., at 676. If a treaty “itself defines the circumstances under which the rights would termi

nate,” it is to those circumstances that the Court must look to determine if the right ends at statehood. Mille

——————

4 Recall also that the Act establishing the Wyoming Territory de

clared that the creation of the Territory would not “impair the rights of person or property now pertaining to the Indians in said Territory” unless a treaty extinguished those ri ghts. Wyoming Territory Act, 15
Stat. 178.15 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

Lacs , 526 U. S., at 207.
Just as in Mille Lacs , there is no suggestion in the text of the 1868 Treaty with the Crow Tribe that the parties intended the hunting right to expire at statehood. The treaty identifies four situations that would terminate the right: (1) the lands are no longer “unoccupied”; (2) the lands no longer belong to the United States; (3) game canno longer “be found thereon”; and (4) the Tribe and nonIndians are no longer at “peace . . . on the borders of the hunting districts.” Art. IV, 15 Stat. 650. Wyoming’s statehood does not appear in this list. Nor is there any hint in the treaty that any of these conditions would nec

essarily be satisfied at statehood. See Mille Lacs , 526
U. S., at 207. The historical record likewise does not support the State’s position. See Choctaw Nation v. United States , 318
U. S. 423, 431–432 (1943) (explaining that courts “may look beyond the written words to the history of the treaty, the negotiations, and the practical construction adopted by the parties” to determine a treaty’s meaning). Crow Tribe leaders emphasized the importance of the hunting right in the 1867 negotiations, see, e

. g ., Proceedings 88, and Com

missioner Taylor assured them that the Tribe would have “the right to hunt upon [the ceded land] as long as the game lasts,” id ., at 86. Yet despite the apparent im

portance of the hunting right to the negotiations, Wyo

ming points to no evidence that federal negotiators ever proposed that the right would end at statehood. This silence is especially telling because five States encompass

ing lands west of the Mississippi River—Nebraska, Nevada, Kansas, Oregon, and Minnesota—had been admitted to the Union in just the preceding decade. See ch. 36, 14 Stat. 391 (Nebraska, Feb. 9, 1867); Presidential Proclamation No. 22, 13 Stat. 749 (Nevada, Oct. 31, 1864); ch. 20, 12 Stat. 126 (Kansas, Jan. 29, 1861); ch. 33, 11 Stat. 383 (Oregon, Feb. 14, 1859); ch. 31, 11 Stat. 285 (Minnesota,16 HERRERA v. WYOMING

Opinion of the Court

May 11, 1858). Federal negotiators had every reason to bring up statehood if they intended it to extinguish the Tribe’s hunting rights. In the face of this evidence, Wyoming nevertheless contends that the 1868 Treaty expired at statehood pursu

ant to the Mille Lacs analysis. Wyoming does not argue that the legal act of Wyoming’s statehood abrogated the treaty right, and it cannot contend that statehood is ex

plicitly identified as a treaty expiration point. Instead, Wyoming draws on historical so urces to assert that state

hood, as a practical matter, marked the arrival of “civiliza

tion” in the Wyoming Territory and thus rendered all the lands in the State occupied. Brief for Respondent 48. This claim cannot be squared with Mille Lacs

. Wyoming’s arguments boil down to an attempt to read the treaty impliedly to terminat e at statehood, precisely as
Mille Lacs forbids. The State sets out a potpourri of evi

dence that it claims shows statehood in 1890 effectively coincided with the disappearance of the wild frontier: for instance, that the buffalo were extinct by the mid-1870s; that by 1880, Indian Department regulations instructed Indian agents to confine tribal members “ ‘wholly within the limits of their respective reservations’ ”; and that the Crow Tribe stopped hunting off-reservation altogether in 1886. Brief for Respondent 47 (quoting §237 Instructions to Indian Agents (1880), as published in Regulations of the Indian Dept. §492 (1884)).
Herrera contradicts this account, see Reply Brief for Petitioner 5, n. 3, and the historical record is by no means clear. For instance, game appears to have persisted for longer than Wyoming suggests. See Dept. of Interior, Ann. Rep. of the Comm’r of Indian Affairs 495 (1873) (Black Foot: “On the other side of the river below, there are plenty of buffalo; on the mountains are plenty of elk and black-tail deer; and white-tail deer are plenty at the foot of the mountain”). As for the Indian Department17 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

Regulations, there are reports that a group of Crow Tribe members “regularly hunted along the Little Bighorn River” even after the regulation the State cites was in effect. Hoxie, Parading Through History, at 26. In 1889, the Office of Indian Affairs wrote to U. S. Indian Agents in the Northwest that “[f]requent complaints have been made to this Department that Indians are in the habit of leaving their reservations for the purpose of hunting.” 28 Cong. Rec. 6231 (1896). Even assuming that Wyoming presents an accurate historical picture, the State’s mode of analysis is severely flawed. By using statehood as a proxy for occupation, Wyoming subverts this Court’s clear instruction that treaty-protected rights “are no t impliedly terminated upon
statehood.” Mille Lacs , 526 U. S., at 207. Finally, to the extent that Wyoming seeks to rely on this same evidence to establish that all land in Wyoming was functionally “occupied” by 1890, its arguments fall outside the question presented and are unpersuasive in any event. As explained below, the Crow Tribe would have under

stood occupation to denote so me form of residence or set

tlement. See infra , at 19–20. Furthermore, Wyoming cannot rely on Race Horse to equate occupation with statehood, because that case’s reasoning rested on the
flawed belief that statehood could not coexist with a con

tinuing treaty right. See Race Horse , 163 U. S., at 514;
Mille Lacs , 526 U. S., at 207–208. Applying Mille Lacs , this is not a hard case. The Wyo

ming Statehood Act did not abrogate the Crow Tribe’s hunting right, nor did the 1868 Treaty expire of its own accord at that time. The treaty itself defines the circum

stances in which the right will expire. Statehood is not
one of them.

III
We turn next to the question whether the 1868 Treaty18 HERRERA v. WYOMING

Opinion of the Court

right, even if still valid after Wyoming’s statehood, does not protect hunting in Bighorn National Forest because the forest lands are “occupied.” We agree with Herrera and the United States that Bighorn National Forest did not become categorically “occu pied” within the meaning of the 1868 Treaty when the national forest was created. 5

——————

5 Wyoming argues that the judgment below should be affirmed be

cause the Tenth Circuit held in Repsis that the creation of the forest rendered the land “occupied,” see 73 F. 3d, at 994, and thus Herrera is precluded from raising this issue. We did not grant certiorari on the question of how preclusion principl es would apply to the alternative judgment in Repsis , and—although our dissenting colleagues disagree,

see post , at 13, and n. 6—the decision below did not address that issue.

The Wyoming appellate co urt agreed with the State that “the pri

mary issue in [Herrera’s] case is identical to the primary issue in the Repsis case.” No. 2016–242 (4th Jud. Di st., Sheridan Cty., Wyo., Apr. 25, 2017), App. to Pet. for Cert. 13 (emphasis added). That “primary
issue” was the Race Horse ground of decision, not the “occupation” ground, which Repsis referred to as “an alternative basis for affir

mance,” Repsis , 73 F. 3d, at 993, and which the Wyoming court itself described as an “alternativ[e]” holding, No. 2016–242, App. to Pet. for Cert. 33. Reading the state court’s decision to give preclusive effect to the occupation ground as well would not fit with the Wyoming court’s preclusion analysis, which, among ot her things, relied on a decision of
the Federal District Court in Repsis that did not address the occupation issue. See No. 2016–242, App. to Pet. for Cert. 14, 18; see also Repsis

, 73 F. 3d, at 993 (explaining that “the district court did not reach [the occupation] issue”). Context thus ma kes clear that the state court gave issue-preclusive effect only to Repsis ’ holding that the 1868 Treaty was no longer valid, not to Repsis ’ independent, narrower holding that Bighorn National Forest in particular was “occupied” land. The court may not have addressed the issue-prec lusive effect of the latter holding because of ambiguity in the State’ s briefing. See Appellee’s Supple

mental Brief in No. 2016–242, pp. 4, 11–12.

While the dissent questions whether forfeiture could have played a part in the state court’s analysis gi ven that the court invited the parties to submit supplemental briefs on preclusion, post , at 13, n. 6, the parties suggest that Wyoming failed ad equately to raise the claim even in its supplemental brief. See Brief for Petitioner 49 (“the state made no such argument before” the state court); Brief for United States as
Amicus Curiae 31 (noting ambiguity in the State’s supplemental brief).19 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

Treaty analysis begins with the text, and treaty terms
are construed as “ ‘they would naturally be understood by
the Indians.’ ” Fishing Vessel Assn ., 443 U. S., at 676.
Here it is clear that the Crow Tribe would have under

stood the word “unoccupied” to denote an area free of residence or settlement by non-Indians. That interpretation follows first and foremost from several cues in the treaty’s text. For example, Article IV of the 1868 Treaty made the hunting right contingent on peace “among the whites and Indians on the borders of the hunting districts,” thus contrasting the unoccupied hunt

ing districts with areas of white settlement. 15 Stat. 650. The treaty elsewhere used the word “occupation” to refer
to the Tribe’s residence inside the reservation boundaries,
and referred to the Tribe members as “settlers” on the new reservation. Arts. II, VI, id., at 650–651. The treaty also juxtaposed occupation and settlement by stating that the Tribe was to make “no permanent settlement” other than on the new reservation, but could hunt on the “unoccupied lands” of the United States. Art. IV, id., at 650. Contem

poraneous definitions further support a link between occupation and settlement. See W. Anderson, A Diction

-

——————

It can be “appropriate in special circumstances” for a court to address a preclusion argument sua sponte

. Arizona v. California , 530 U. S. 392, 412 (2000). But because the Wyoming District Court “did not address” this contention, “we declin e to address it here.” County of Los Angeles

v. Mendez , 581 U. S. ___, ___, n. (2017) (slip op., at 8, n.); see Cutter v. Wilkinson , 544 U. S. 709, 718, n. 7 (2005); Archer v. Warner , 538 U. S.314, 322–323 (2003). Resolution of this question would require factintensive analyses of whether this i ssue was fully and fa irly litigated in Repsis or was forfeited in this litigat ion, among other matters. These gateway issues should be decided before this Court addresses them, especially given that even the diss ent acknowledges that one of the preclusion issues rais ed by the parties is important and undecided,

post , at 14, and some of the parties’ other arguments are equally weighty. Unlike the dissent, we do not address these issues in the first

instance.20 HERRERA v. WYOMING

Opinion of the Court

ary of Law 725 (1889) (defining “occupy” as “[t]o hold in possession; to hold or keep fo r use” and noting that the word “[i]mplies actual use, possession or cultivation by a particular person”); id., at 944 (defining “settle” as “[t]o establish one’s self upon; to occupy, reside upon”). Historical evidence confirms this reading of the word “unoccupied.” At the treaty negotiations, Commissioner Taylor commented that “settlements ha[d] been made upon [Crow Tribe] lands” and that “white people [were] rapidly increasing and . . . occupying all the valuable lands.” Proceedings 86. It was against this backdrop of white settlement that the United States proposed to buy “the right to use and settle” the ceded lands, retaining for the Tribe the right to hunt. Ibid

. A few years after the 1868 Treaty signing, a leader of the Board of Indian Commissioners confirmed the connection between occupa

tion and settlement, explaining that the 1868 Treaty permitted the Crow Tribe to hunt in an area “as long as there are any buffalo, and as long as the white men are not [in that area] with farms.” Dept. of Interior, Ann. Rep.
of the Comm’r of Indian Affairs 500. Given the tie between the term “unoccupied” and a lack of non-Indian settlement, it is clear that President Cleve

land’s proclamation creating Bighorn National Forest did not “occupy” that area within the treaty’s meaning. To the contrary, the President “reserved” the lands “from entry or settlement.” Presidential Proclamation No. 30, 29 Stat.

909. The proclamation gave “[w]arning . . . to all persons not to enter or make settlement upon the tract of land reserved by th[e] proclamation.” Id ., at 910. If anything, this reservation made Bigh orn National Forest more hospitable, not less, to the Crow Tribe’s exercise of the 1868 Treaty right. Wyoming’s counterarguments are unavailing. The State
first asserts that the forest became occupied through the
Federal Government’s “exercise of dominion and control”21 Cite as: 587 U. S. ____ (2019)

Opinion of the Court

over the forest territory, incl uding federal regulation of those lands. Brief for Respondent 56–60. But as ex

plained, the treaty’s text and the historical record suggest that the phrase “unoccupied lands” had a specific meaning to the Crow Tribe: lack of settlement. The proclamation of a forest reserve withdrawing land from settlement would not categorically transform the territory into an area resided on or settled by non-Indians; quite the opposite. Nor would the restrictions on hunting in national forests that Wyoming cites. See Appropriations Act of 1899, ch. 424, 30 Stat. 1095; 36 CFR §§241.2, 241.3 (Supp. 1941); §261.10(d)(1) (2018). Wyoming also claims that exploitative mining and logging of the forest lands prior to 1897 would have caused the Crow Tribe to view the Bighorn Mountains as occu

pied. But the presence of mining and logging operations
did not amount to settlement of the sort that the Tribe would have understood as rendering the forest occupied. In fact, the historical source on which Wyoming primarily relies indicates that there was “very little” settlement of Bighorn National Forest around the time the forest was created. Dept. of Interior, Nineteenth Ann. Rep. of the

U. S. Geological Survey 167 (1898). Considering the terms of the 1868 Treaty as they would have been understood by the Crow Tribe, we conclude that the creation of Bighorn National Forest did not remove the forest lands, in their entirety , from the scope of the treaty.

IV
Finally, we note two ways in which our decision is lim

ited. First, we hold that Bighorn National Forest is not categorically occupied, not that all areas within the forest are unoccupied. On remand, the State may argue that the specific site where Herrera hunted elk was used in such a way that it was “occupied” within the meaning of the 1868 Treaty. See State v. Cutler , 109 Idaho 448, 451, 708 P. 2d22 HERRERA v. WYOMING

Opinion of the Court

853, 856 (1985) (stating that the Federal Government may not be foreclosed from using land in such a way that the Indians would have considered it occupied). Second, the state trial court decided that Wyoming could regulate the exercise of the 1868 Treaty right “in the interest of conservation.” Nos. CT–2015–2687, CT–2015–2688, App. to Pet. for Cert. 39–41; see Antoine

, 420 U. S., at 207. The appellate court did not reach this issue. No. 2016–242, App. to Pet. for Cert. 14, n. 3. On remand, the State may press its arguments as to why the application of state conservati on regulations to Crow Tribe members exercising the 1868 Treaty right is necessary for conservation. We do not pass on the viability of those arguments today.

* * *
The judgment of the Wyoming District Court of the Fourth Judicial District, Sheridan County, is vacated, and the case is remanded for further proceedings not incon

sistent with this opinion.
It is so ordered

._________________

_________________ 1 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting



## SUPREME COURT OF THE UNITED STATES

No. 17–532

CLAYVIN HERRERA, PETITIONER v. WYOMING

ON WRIT OF CERTIORARI TO THE DISTRICT COURT OF
WYOMING

, SHERIDAN COUNTY

[May 20, 2019]

J USTICE A LITO , with whom T HE C HIEF J USTICE , J USTICE
T HOMAS

, and J USTICE K AVANAUGH join, dissenting.
The Court’s opinion in this case takes a puzzling course.
The Court holds that members of the Crow Tribe retain a virtually unqualified right under the Treaty Between the
United States of America and the Crow Tribe of Indians (1868 Treaty) to hunt on land that is now part of the Bighorn National Forest. This interpretation of the treaty is debatable and is plainly contrary to the decision in
Ward v. Race Horse , 163 U. S. 504 (1896), which construed identical language in a closely related treaty. But even if the Court’s interpretation of the treaty is correct, its deci

sion will have no effect if the members of the Crow Tribe are bound under the doctrine of issue preclusion by the judgment in Crow Tribe of Indians v. Repsis , 73 F. 3d 982, 992–993 (CA10 1995) (holding that the hunting right conferred by that treaty is no longer in force). That judgment was based on two independent grounds, and the Court deals with only one of them. The Court holds that the first ground no longer provides an adequate reason to give the judgment preclusive effect due to an intervening change in the legal context. But the Court sidesteps the second ground and thus leaves it up to the
state courts to decide whether the Repsis judgment con

tinues to have binding effect. If it is still binding—and I
think it is—then no member of the Tribe will be able2 HERRERA v. WYOMING

A LITO

, J., dissenting

to assert the hunting right that the Court addresses.Thus, the Court’s decision to plow ahead on the treatyinterpretation issue is hard to understand, and its dis

course on that issue is likely, in the end, to be so much
wasted ink.

I
A
As the Court notes, the Crow Indians eventually settled in what is now Montana, where they subsequently came into contact with early white explorers and trappers. F. Hoxie, The Crow 26–28, 33 (1989). In an effort to promote peace between Indians and white settlers and to mitigate conflicts between different tribes, the United States nego

tiated treaties that marked out a territory for each tribe to use as a hunting district. See 2 C. Kappler, Indian Affairs: Laws and Treaties 594 (2d ed. 1904) (Kappler). The Treaty of Fort Laramie of 1851 (1851 Treaty), 11 Stat. 749, created such a hunting district for the Crow. As white settlement increased, the United States en

tered into a series of treaties establishing reservations for the Crow and neighboring tribes, and the 1868 Treaty was one such treaty. 15 Stat. 649; Kappler 1008. It set out an 8-million-acre reservation for the Crow Tribe but required the Tribe to cede ownership of all land outside this reser

vation, including 30 million acres that lay within the hunting district defined by the 1851 Treaty. Under this treaty, however, the Crow kept certain enumerated rights with respect to the use of those lands, and among these was “the right to hunt on the unoccupied lands of the United States so long as game may be found thereon, and as long as peace subsists among the whites and Indians on the borders of the hunting districts.” 1868 Treaty, Art. IV,
15 Stat. 650. Shortly after the signing of the 1868 Treaty, Congress created the Wyoming Territory, which was adjacent to and3 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

immediately south of the Crow Tribe’s reservation. The Act creating the Territory provided that “nothing in this act shall be construed to impair the rights of person or property now pertaining to the Indians in said Territory, so long as such rights shall remain unextinguished by treaty between the United States and such Indians.” Act of July 25, 1868, ch. 235, 15 Stat. 178. Twenty-two years later, Congress admitted Wyoming as a State “on an equal footing with the original States in all respects whatever.” Act of July 10, 1890, ch. 664, 26 Stat. 222. The following year, Congress passed an Act empowering the President to “set apart and reserve” tracts of public lands owned by the United States as forest reservations. Act of Mar. 3, 1891, ch. 561, §24, 26 Stat. 1103. Exercising that authority, President Cleveland designated some lands in Wyoming that remained under federal ownership as a forest reser

vation. Presidential Proclamation No. 30, 29 Stat. 909. Today, those lands make up the Bighorn National Forest. Bighorn abuts the Crow Reservation along the border between Wyoming and Montana and includes land that was previously part of the Crow Tribe’s hunting district. These enactments did not end legal conflicts between the white settlers and Indians. Almost immediately after Wyoming’s admission to the Union, this Court had to determine the extent of the State’s regulatory power in light of a tribe’s reserved hunting rights. A member of the
Shoshone-Bannock Tribes named Race Horse had been arrested by Wyoming officials for taking elk in violation of state hunting laws. Race Horse

, supra, at 506. The Shoshone-Bannock Tribes, like the Crow, had accepted a reservation while retaining the right to hunt in the lands previously within their hunting district. Their treaty reserves the same right, using the same language, as the Crow Tribe’s treaty. 1 Race Horse argued that he had the

——————

1 The Shoshone-Bannock Treaty reserved “ ‘the right to hunt on the4 HERRERA v. WYOMING

A LITO

, J., dissenting

right to hunt at the spot of his alleged offense, as the nearest settlement lay more than 60-miles distant, mak

ing the land where he was hunting “unoccupied lands of
the United States.” In re Race Horse , 70 F. 598, 599–600 (Wyo. 1895). This Court rejected Race Ho rse’s argument, holding that the admission of Wyoming to the Union terminated the hunting right. 163 U. S., at 514. Although the opinion of the Court is not a model of clarity, this conclusion appears to rest on two grounds. First, the Court held that Wyoming’s admission neces

sarily ended the Tribe’s hunting right because otherwise the State would lack the power, possessed by every other State, “to regulate the killing of game within [its] borders.”

Ibid . Limiting Wyoming’s power in this way, the Court reasoned, would contravene the equal-footing doctrine,
which dictates that all States enter the Union with the full panoply of powers enjoyed by the original 13 States at the adoption of the Constitution. Ibid . Under this rationale, the Act of Congress admitting Wyoming could not have preserved the hunting right even if that had been Con

gress’s wish. After providing this basis for its holding, however, the Court quickly turned to a se cond ground, namely, that even if Congress could have limited Wyoming’s authority in this way, it had not attempted to do so. Id ., at 515. The Court thought that Congress’s intention not to impose such a restriction on the State was “conveyed by the ex

press terms of the act of admission,” but the Court did not identify the terms to which it was referring. Ibid . It did, however, see support for its decision in the nature of the

—————— unoccupied lands of the United States, so long as game may be found thereon, and so long as peace subsis ts among the whites and Indians on the borders of the hunting districts.’ ” Race Horse , 163 U. S., at 507; Kappler 1020, 1021.5 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

hunting right reserved under the treaty. This right, the Court observed, was not “of such a nature as to imply [its] perpetuity” but was instead “temporary and precarious,” since it depended on the continuation of several condi

tions, including at least one condition wholly within the control of the Government—continued federal ownership
of the land. Ibid

. Race Horse did not mark a final resolution of the conflict between Wyoming’s regulatory power and tribal hunting rights. Nearly a century later, Thomas Ten Bear, a mem

ber of the Crow Tribe, crossed into Wyoming to hunt elk in the Bighorn National Forest, just as Herrera did in this case. Wyoming game officials cited Ten Bear, and he was ultimately convicted of huntin g elk without the requisite
license. 2 Ten Bear, like Race Horse before him, filed a lawsuit in federal court disputing Wyoming’s authority to regulate hunting by members of his Tribe. Crow Tribe of
Indians v. Repsis , 866 F. Supp. 520, 521 (Wyo. 1994). Joined by the Crow Tribe, he argued that the 1868 Treaty— the same treaty at issue here—gave him the right to
take elk in the national forest.The District Court found that challenge indistinguishable from the one addressed in Race Horse . The District
Court noted that Race Horse had pointed to “identical treaty language” and had “advanced the identical conten

tion now made by” Ten Bear and the Tribe. Repsis , 866
F. Supp., at 522. Because Race Horse “remain[ed] control

ling,” the District Court granted summary judgment to the State. 866 F. Supp., at 524. The Tenth Circuit affirmed that judgment on two inde

pendent grounds. First, the Tenth Circuit agreed with the

——————

2 Wyoming officials enforce the State’s hunting laws on national for

est lands pursuant to a memorandum of understanding between the
State and Federal Governments. Crow Tribe of Indians v. Repsis , 866
F. Supp. 520, 521, n. 1 (Wyo. 1994).6 HERRERA v. WYOMING

A LITO

, J., dissenting

District Court that, under Race Horse , “[t]he Tribe’s right to hunt reserved in the Treaty with the Crows, 1868, was repealed by the act admitting Wyoming into the Union.” Crow Tribe of Indians v. Repsis , 73 F. 3d 982, 992 (1995). Second, as an independent alternative ground for affir

mance, the Tenth Circuit held that the Tribe’s huntingright had expired because “the treaty reserved an offreservation hunting right on ‘unoccupied’ lands and the lands of the Big Horn Natio nal Forest are ‘occupied.’ ” Id.

, at 993. The Tenth Circuit reasoned that “unoccupied” land within the meaning of the treaty meant land that was open for commercial or residential use, and since the creation of the national forest precluded those activities, it
followed that the land was no longer “unoccupied” in the
relevant sense. Ibid

.
B
The events giving rise to the present case are essentially
the same as those in Race Horse and Repsis . During the winter of 2013, Herrera, who was an officer in the Crow Tribe’s fish and game department, contacted Wyoming game officials to offer assistance investigating a number of poaching incidents along the border between Bighorn and
the Crow Reservation. 3 After a lengthy discussion in which Herrera asked detailed questions about the State’s investigative capabilities, the Wyoming officials became suspicious of Herrera’s motive s. The officials conducted a web search for Herrera’s name and found photographs posted on trophy-hunting and social media websites that showed him posing with bull elk. The officers recognized from the scenery in the pictures that the elk had been

——————

3 Such cooperative law enforcement is valuable because the Crow Reservation and Bighorn National Fo rest face one another along the border between Montana, where the Crow Reservation is located, and Wyoming, where Bighorn is located. Supra , at 3. The border is deline

ated by a high fence intermittently posted with markers.7 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

killed in Bighorn and were able to locate the sites where the pictures had been taken. At those sites, about a mile south of the fence running along the Bighorn National Forest boundary, state officials discovered elk carcasses.
The heads had been taken from the carcasses but much of
the meat was abandoned in the field. State officials con

fronted Herrera, who confessed to the shootings and turned over the heads that he and his companions had taken as trophies. The Wyomin g officials cited Herrera for hunting out of season. Herrera moved to dismiss the citations, arguing that he had a treaty right to hunt in Bighorn. The trial court rejected this argument, concludi ng that it was foreclosed by the Tenth Circuit’s analysis in Repsis, and the jury found Herrera guilty. On appeal, Herrera continued to argue that he had a treaty right to hunt in Bighorn. The appellate court held that the judgment in Repsis precluded him from asserting a treaty hunting right, and it also held, in the alternative, that Herrera’s treaty rights did not allow him to hunt in Bighorn. This Court granted
certiorari.

II
In seeking review in this Court, Herrera framed this case as implicating only a question of treaty interpreta

tion. But unless the state court was wrong in holding that Herrera is bound by the judgment in Repsis , there is no reason to reach the treaty-interpretation question. For this reason, I would begin with the question of issue pre

clusion, and because I believe that Herrera is bound by the
adverse decision on that issue in Repsis , I would not reach the treaty-interpretation issue.

A
It is “a fundamental precept of common-law adjudica

tion” that “an issue once determined by a competent court8 HERRERA v. WYOMING

A LITO

, J., dissenting

is conclusive.” Arizona v. California , 460 U. S. 605, 619 (1983). “The idea is straightforward: Once a court has decided an issue, it is forever settled as between the par

ties, thereby protecting against the expense and vexation attending multiple lawsuits, co nserving judicial resources, and fostering reliance on judicial action by minimizing the possibility of inconsistent verdicts.” B&B Hardware, Inc.

v. Hargis Industries, Inc. , 575 U. S. 138, ___ (2015) (slip op., at 8) (internal quotation marks, citation, and altera

tions omitted). Succinctly put, “a losing litigant deserves no rematch after a defeat fairly suffered.” Astoria Fed.
Sav. & Loan Assn. v. Solimino , 501 U. S. 104, 107 (1991). Under federal issue-preclusion principles, 4 “once an issue is actually and necessarily determined by a court of competent jurisdiction, that determination is conclusive in subsequent suits based on a different cause of action involving a party to the prior litigation.” Montana v. United States , 440 U. S. 147, 153 (1979). That standard for issue preclusion is met here.

In Repsis , the central issue—and the question on which the Crow Tribe sought a declaratory judgment—was whether members of the Tribe “have an unrestricted right to hunt and fish on Big Horn National Forest lands.” 866

F. Supp., at 521. The Tenth Circuit’s judgment settled that question by holding that “the Tribe and its members are subject to the game laws of Wyoming.” 73 F. 3d, at

994. In this case, Herrera asserts the same hunting right that was actually litigated and decided against his Tribe

in Repsis . He does not suggest that either the Federal
District Court or the Tenth Ci rcuit lacked jurisdiction to

——————

4 The preclusive effect of the judgme nt of a federal court is governed by federal law, regardless of whether that judgment’s preclusive effect
is later asserted in a state or federal forum. Taylor v. Sturgell , 553
U. S. 880, 892 (2008). This means that the preclusive effect of Repsis

, decided by a federal court, is governed by federal law, not Wyoming law, even though preclusion was asserted in a Wyoming court.9 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

decide Repsis . And, because Herrera’s asserted right is based on his membership in the Tribe, a judgment binding on the Tribe is also binding on him. As a result, the Wyo

ming appellate court held that Repsis bound Herrera and precluded him from asserting a treaty-rights defense. That holding was correct.

B
The majority concludes otherwise based on an exception to issue preclusion that applies when there has been an intervening “change in the applicable legal context.” Ante

, at 12 (internal quotation marks and alteration omitted). Specifically, the majority reasons that the Repsis judg

ment was based on Race Horse and that our subsequent
decision in Minnesota v. Mille Lacs Band of Chippewa
Indians , 526 U. S. 172 (1999), represents a change in the applicable law that is sufficient to abrogate the Repsis judgment’s preclusive effect. There is support in the Restatement (Second) of Judgments for the general propo

sition that a change in law may alter a judgment’s preclu

sive effect, §28, Comment c , p. 276 (1980), and in a prior

case, Bobby v . Bies , 556 U. S. 825, 834 (2009), we invoked that provision. But we have never actually held that a prior judgment lacked preclusive effect on this ground. Nor have we ever defined how much the relevant “legal context” must change in order for the exception to apply. If the exception is applied too aggressively, it could dan

gerously undermine the important interests served by issue preclusion. So caution is in order in relying on that exception here. The majority thinks that the exception applies because
Mille Lacs effectively overruled Race Horse , even though it did not say that in so many wo rds. But that is a question

able interpretation. The fact of the matter is that the
Mille Lacs majority held back from actually overruling

Race Horse , even though the dissent claimed that it had10 HERRERA v. WYOMING

A LITO

, J., dissenting

effectively done so. See Mille Lacs , 526 U. S., at 207 (ap

plying the “ Race Horse inquiry” but factually distinguish

ing that case from the facts present in Mille Lacs ); id ., at 219 (Rehnquist, C. J., dissenting) (noting the Court’s “apparent overruling sub silentio ” of Race Horse ). And while the opinion of the Court repudiated one of the two grounds that the Race Horse Court gave for its decision (the equal-footing doctrine), it is by no means clear that
Mille Lacs also rejected the second ground (the conclusion that the terms of the Act admitting Wyoming to the Union manifested a congressional in tent not to burden the State with the right created by the 1868 Treaty). With respect to this latter ground, the Mille Lacs Court characterized the proper inquiry as follows: “whether Congress (more precisely, because this is a treaty, the Senate) intended the rights secured by the 1837 Treaty to survive state

hood.” 526 U. S., at 207. And the Court then went on to analyze the terms of the particular treaty at issue in that case and to contrast those terms with those of the treaty in

Race Horse

. Mille Lacs

, supra , at 207. On this reading, it appears that Mille Lacs did not reject the second ground for the decision in Race Horse but simply found it inapplicable to the facts of the case at hand. I do not claim that this reading of Mille Lacs is indisputable, but it is certainly reasonable, and if it is correct, Mille

Lacs did not change the legal context as much as the majority suggests. It knocked out some of Race Horse ’s reasoning but did not effectively overrule the decision. Is that enough to eliminate the preclusive effect of the first ground for the Repsis judgment? The majority cites no authority holding that a decision
like Mille Lacs is sufficient to deprive a prior judgment of its issue-preclusive effect. Certainly, Bies

, supra , upon which the majority relies, is not such authority. In that case, Bies had been convicted of murder and sentenced to
death at a time when what was then termed “mental11 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

retardation” did not render a defendant ineligible for a death sentence but was treated as simply a mitigating
factor to be taken into account in weighing whether such a sentence should be imposed. When Bies contested his death sentence on appeal, the state appellate court ob

served that he suffered from a mild form of intellectual disability, but it nevertheless affirmed his sentence. Years later, in Atkins v. Virginia , 536 U. S. 304 (2002), this Court ruled that an intellectually disabled individual cannot be executed, and the Sixth Circuit then held that the state court’s prior statements about Bies’s condition barred his execution under issue-preclusion principles. This Court reversed, and its primary reason for doing so has no relation to the question presented here. We found that issue preclusion was not available to Bies because he had not prevailed in the first action; despite the state court’s recognition of mild intellectual disability as a mitigating factor, it had affirmed his sentence. As we put it, “[i]ssue preclusion . . . does not transform final judg

ment losers . . . into partially prevailing parties.” Bies

, 556
U. S., at 829; see also id. , at 835. Only after providing this dispositive reason for rejecting the Sixth Circuit’s invocation of issue preclusion did we go on to cite the Restatement’s discussion of the change-in

law exception. And we then quickly noted that the issue addressed by the state appellate courts prior to Atkins (“[m]ental retardation as a mitigator”) was not even the
same issue as the issue later addressed after Atkins

. Bies,

supra, at 836 (the two “are discrete legal issues”). So Bies is very far afield. 5

——————

5 Nor are the other cases cited by th e majority more helpful to the Court’s position. Commissioner v. Sunnen , 333 U. S. 591 (1948), and
Limbach v. Hooven & Allison Co. , 466 U. S. 353 (1984)—and, indeed,

Montana v. United States , 440 U. S. 147 (1979)—are tax cases that hold, consistent with the general policy against “discriminatory distinc

tions in tax liability,” Sunnen , 333 U. S., at 599, that issue preclusion12 HERRERA v. WYOMING

A LITO

, J., dissenting

Although the majority in the present case believes that
Mille Lacs unquestionably constitutes a sufficient change in the legal context, see ante , at 13, there is a respectable argument on the other side. I would not decide that ques

tion because Herrera and other members of the Crow Tribe are bound by the judgment in Repsis even if the change-in-legal-context exception applies.

C

That is so because the Repsis judgment was based on a second, independently sufficient ground that has nothing
to do with Race Horse , namely, that the Bighorn National Forest is not “unoccupied.” Herrera and the United States, appearing as an amicus in his support, try to escape the effect of this alternative ground based on other exceptions to the general rule of issue preclusion. But accepting any of those except ions would work a substan

tial change in established principles, and it is fortunate that the majority has not taken that route. Unfortunately, the track that the majority has chosen is no solution because today’s decision will not prevent the Wyoming courts on remand in this case or in future cases presenting the same issue from holding that the Repsis judgment binds all members of the Crow Tribe who hunt within the Bighorn National Forest. And for the reasons I will explain, such a holding would be correct.

1
Attempting to justify its approach, the majority claims that the decision below gave preclusive effect to only the

—————— has limited application when the conduct in the second litigation occurred in a different tax year than the conduct that was the subject of the earlier judgment. We have not, prior to today, applied Sunnen ’s tax-specific policy in cases that do not involve tax liability and do not create a possibility of “inequalities in the administration of the revenue
laws.” Ibid.13 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

first ground adopted by the Tenth Circuit in Repsis —that is, the ground that relied on Race Horse

. Ante

, at 18, n. 5. But nowhere in the decision below can any such limitation be found. The Wyoming appellate court discussed the second ground for the Repsis judgment, see App. to Pet. for Cert. 22 (“[T]he creation of the Big Horn National Forest resulted in the ‘occupation’ of the land, extinguishing the off-reservation hunting right”), and it concluded that the judgment in Repsis , not just one of the grounds for that judgment, “preclude[s] Herrera from attempting to reliti

gate the validity of the off-reservation hunting right that was previously held to be inva lid,” App. to Pet. for Cert.

31. 6

2

Herrera takes a different a pproach in attempting to
circumvent the effect of the alternative Repsis ground. When a judgment rests on two independently sufficient

——————

6 The decision below, in other words, held that the issue that was precluded was whether members of th e Crow Tribe have a treaty right to hunt in Bighorn. The majority re jects this definition of the issue, and instead asks only whether the first line of reasoning in Repsis retains preclusive effect. Such ha irsplitting conflicts with the funda

mental purpose of issue preclusion—lay ing legal disputes at rest. If courts allow a party to escape prec lusion whenever a decision on one legal question can be divided into multiple or alternate parts, the doctrine of preclusion would lose it s value. The majority’s “[n]arrower
definition of the issues resolved augments the risk of apparently inconsistent results” and undermines the objectives of finality and economy served by preclu sion. 18 C. Wright, A. Miller, & E. Cooper, Federal Practice and Procedure §4417, p. 470 (3d ed. 2016).

The Court also hints that the state court might have thought that Wyoming forfeited relianc e on issue preclusion, ante , at 18, n. 5, but there is no basis for that suggest ion. The Wyoming appellate court invited the parties to submit supplem ental briefs on issue preclusion and specifically held that “it [was] proper for the Court to raise this

issue sua sponte when no factual development is required, and the parties are given an opportunity to fully brief the issues.” App. to Pet. for Cert. 10, n. 2.14 HERRERA v. WYOMING

A LITO

, J., dissenting

grounds, he contends, neither ground should be regarded as having an issue-preclusive effect. This argument raises an important question that this Court has never decided
and one on which the First and Second Restatements of Judgments take differing views. According to the First Restatement, a judgment based on alternative grounds “is determinative on both grounds, although either alone would have been sufficient to support the judgment.” Restatement of Judgments §68, Comment n (1942). Other authorities agree. See 18 C. Wright, A. Miller, & E. Cooper, Federal Practice and Procedure §4421, p. 613 (3d ed. 2016) (noting “substantial support in federal decisions” for this approach). 7 But the Second Restatement reversed this view, recommending that a judgment based on the determination of two independent issues “is not conclusive with respect to either issue standing alone.” §27, Com

ment i , at 259. There is scant explanation for this change in position beyond a reference in the Repo rter’s Note to a single deci

sion of the United States Court of Appeals for the Second
Circuit. Id ., Reporter’s Note, Comment i , at 270 (discuss

ing Halpern v. Schwartz , 426 F. 2d 102 (1970)). But even that court has subsequently explained that Halpern was “not intended to have . . . broad impact outside the [bank

ruptcy] context,” and it continues to follow the rule of the First Restatement “in circumstances divergent from those

in Halpern .” Winters v. Lavine , 574 F. 2d 46, 67 (1978). It thus appears that in this portion of the Second Restate

ment, the Reporters adopted a prescriptive rather than a descriptive approach. In such situations, the Restatement
loses much of its value. See Kansas v. Nebraska , 574 U. S.

——————

7 See, e.g., Jean Alexander Cosmetics, Inc. v. L’Oreal USA, Inc. , 458
F. 3d 244, 251–257 (CA3 2006) (collecting cases); In re WestgateCalifornia Corp. , 642 F. 2d 1174, 1176–1177 (CA9 1981); Winters v. Lavine , 574 F. 2d 46, 66–67 (CA2 1978); Irving Nat’l Bank v. Law , 10
F. 2d 721, 724 (CA2 1926) (Hand, J.).15 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

445, 475 (2015) (Scalia, J., concurring in part and dissent

ing in part). The First Restatement has the more compelling posi

tion. There appear to be two principal objections to giving alternative grounds preclusive effect. The first is that the court rendering the judgment may not have given each of the grounds “the careful deliberation and analysis normally applied to essential issues.” Halpern

, supra , at 105. This argument is based on an unjustified assessment of the way in which courts do their work. Even when a court bases its decision on multiple grounds, “it is reasonable to expect that such a finding is the product of careful judicial reasoning.” Jean Alexander Cosmetics, Inc. v. L’Oreal USA, Inc. , 458 F. 3d 244, 254 (CA3 2006).

The other argument cited for the Second Restatement’s rule is that the losing party ma y decline to appeal if one of the two bases for a judgment is strong and the other is weak. §27, Comment i , at 259. There are reasons to be skeptical of this argument as well. While there may be cases in which the presence of multiple grounds causes the losing party to forgo an appeal , that is likely to be true in only a small subset of cases involving such judgments. Moreover, other aspects of issue-preclusion doctrine protect against giving binding effect to decisions that result from unreliable litigatio n. Issue preclusion applies only to questions “actually and necessarily determined,”

Montana , 440 U. S., at 153, and a party may be able to avoid preclusion by showing that it “did not have an ade

quate opportunity or incentive to obtain a full and fair adjudication in the initial action.” Restatement (Second) of Judgments §28(5)(c). To be sure, this exception should not be applied “without a compelling showing of unfair

ness, nor should it be based simply on a conclusion that the first determination was patently erroneous.” Id. , §28,
Comment j , at 284. This exception provides an important safety valve, but it is narro w and clearly does not apply16 HERRERA v. WYOMING

A LITO

, J., dissenting

here. Not only did the Tribe have an opportunity in Repsis to litigate the subject of the alternative ground, it actually
did so. 8 Finally, regardless of whether alternative grounds always have preclusive effect, it is sufficient to say that, at least in a declaratory judgment action, each conclusion provides an independent basis for preclusion. “Since the very purpose of declaratory relief is to achieve a final and reliable determination of legal issues, there should be no quibbling about the necessity principle. Every issue that the parties have litigated and that the court has under

taken to resolve is necessary to the judgment, and should be precluded.” 18 Wright, Federal Practice and Procedure §4421, at 630; see Henglein v. Colt Industries Operating Corp. , 260 F. 3d 201, 212 (CA3 2001). Because Repsis was a declaratory judgment action aimed at settling the Tribe’s hunting rights, that principle suffices to bind Herrera to Repsis ’s resolution of the occupied-land issue.

D
Herrera and the United States offer a variety of other arguments to avoid the preclusive effect of Repsis , but all

——————

8 From the beginning of the Repsis litigation, Wyoming argued that Bighorn was occupied land, and the Tribe argued that it was not. Wyoming pressed this argument in its answer to the Tribe’s declaratory judgment complaint. Record in No . 92–cv–1002, Doc. 29, p. 4. Wyo

ming reiterated that argument in its motion for summary judgment and repeated it in its reply. Id ., Doc. 34, pp. 1, 6; id ., Doc. 54, pp. 7–8. The Tribe dedicated a full 10 pages of its summary judgment brief to the argument that “[t]he Big Horn National Forest [l]ands [are] ‘[u]noccupied [l]ands’ ” of the United States. Id ., Doc. 52, pp. 6–15. Both parties repeated these argument s in their briefs before the Tenth Circuit. Brief for Appellees 20–29 and Reply Brief for Appellants 2–3, and n. 6, in No. 94–8097 (1995). And the Tribe pressed this argument as an independent basis for this Co urt’s review in its petition for certiorari, which this Court denied. Pet. for Cert. in Crow Tribe of
Indians v. Repsis , O. T. 1995, No. 95–1560, pp. i, 22–24, cert. denied, 517 U. S. 1221 (1996).17 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

are unavailing. Herrera contends that he is not bound by the Repsis judgment because he was not a party, but this argument is clearly wrong. Indian hunting rights, like most Indian treaty rights, are reserved to the Tribe as a whole. Herrera’s entitlement derives solely from his membership in the Tribe; it is not personal to him. As a result, a judgment determining the rights of the Tribe has preclusive effect in subsequent litigation involving an individual member of
the Tribe. Cf. Hinderlider v. La Plata River & Cherry
Creek Ditch Co. , 304 U. S. 92, 106–108 (1938) (judgment as to water rights of a State is binding on individual resi

dents of State). That rule applies equally to binding judgments finding in favor of and against asserted tribal rights. Herrera also argues that a judgment in a civil action should not have preclusive effect in a subsequent criminal prosecution, but this argument would unjustifiably pre

vent the use of the declarator y judgment device to deter

mine potential criminal exposu re. The Declaratory Judg

ment Act provides an equitable remedy allowing a party to
ask a federal court to “declare [the party’s] rights” through an order with “the force and effect of a final judgment.” 28

U. S. C. §2201(a). The Act thus allows a person to obtain a
definitive ex ante determination of his or her right to engage in conduct that might otherwise be criminally punishable. It thereby avoids “putting the challenger to the choice between abandoning his rights or risking prose

cution.” MedImmune, Inc. v. Genentech, Inc. , 549 U. S. 118, 129 (2007). If the Tribe had prevailed in Repsis

, surely Herrera would expect that Wyoming could not attempt to relitigate the question in this case and in pros

ecutions of other members of the Tribe. A declaratory judgment “is conclusive . . . as to the matters declared” when the State prevails just as it would be when the party challenging the State is the winning party. Restatement18 HERRERA v. WYOMING

A LITO

, J., dissenting

(Second) of Judgments §33, at 332. It is true that we have been cautious about applying the doctrine of issue preclusion in criminal proceedings. See e.g., Currier v. Virginia , 585 U. S. ___, ___ (2018) (slip op., at 9); Bravo-Fernandez v. United States , 580 U. S. ___, ___ (2016) (slip op., at 4). But we have never adopted the blanket prohibition that Herr era advances. Instead, we have said that preclusion doctrines should have “guarded application.” Id ., at ___ (slip op., at 4). We employ such caution because preclusion rests on “an underlying confidence that th e result achieved in the initial litigation was substantially correct,” and that confi

dence, in turn, is bolstered by the availability of appellate

review. Standefer v. United States , 447 U. S. 10, 23, n. 18 (1980); see also Restatement (Second) of Judgments §28,
Comment a , at 274. In Currier and Bravo-Fernandez, we were reluctant to apply issue preclusion, not because the subsequent trial was criminal, but because the initial trialwas. While a defense verdict in a criminal trial is generally not subject to testing on appeal, summary judgment in a civil declaratory judgment action can be appealed. Indeed, the Crow Tribe did appeal the District Court’s decision to the Tenth Circuit and petitioned for our review of the
Tenth Circuit’s decision. The concerns that we articulated

in Currier and Bravo-Fernandez have no bearing here. 9

* * *
For these reasons, Herrera is precluded by the judgment

——————

9 Nor is that the only distinction betw een those cases and this one. In
both Currier and Bravo

- Fernandez a party sought preclusion as to an element of the charged offense. The elements of the charged offense are not disputed here—Herrera’s asserted treaty right is an affirmative
defense. And while the State bears the burden of proof as to elements of the offense, under Wyoming law, the defendant asserting an affirma

tive defense must state a prima facie case before any burden shifts to
the State. See Duckett v. State , 966 P. 2d 941, 948 (Wyo. 1998).19 Cite as: 587 U. S. ____ (2019)

A LITO

, J., dissenting

in Repsis from relitigating the continuing validity of the hunting right conferred by the 1868 Treaty. Because the majority has chosen to disregard this threshold problem and issue a potentially pointless disquisition on the proper interpretation of the 1868 Treaty, I respectfully dissent.