GEOLOGICAL SURVEY

Taste I.—Summary of tests on construction materials of Pottawatomie County, Kans.
[Authority for test data: HO, State Hi Commission of Kansas. HO, siev Saag Weer en State Hi
ae ie ‘Commision. Cpe 7 2 ot! behest by U. 8B. ‘Geological Barvey,] “i re

3; sample collection and description

BULLETIN 1000-C

g ee al. Laboratory test data Sieve analysis (U. 8. standard)
a ness (feet) = = 4 Se
; E f ey 5 gh 2 Cumulative percent retained on—
ae £ g g g |3ee
y oe) 3 25 Z oa A 2 bo 3 3 ot é
Classification of material | Location ERS Lithologie unit . . Description of materials FS & strengthratio | £2 | @ | £3 | 282 a
2 Eg 2 ke 3 | B | Giguresinparen- | 32 | & | gb | 28 32/8
Ey 3 3 |e a on ae 32 | E | theisreerto | g2 | 2 | ge [oe ge| 3
$ ge 8 2 > 8 8 a 6 numbered days) 38 3 Es 33s g oe.
& a 2 ; = a |see 2 s
a 3 4 5 3 5 Fd rs cS é g els less a ! = eile, | & Neca ms
‘4 a 3 8 ES e g <7) 3 € |828 5 .|4 : : ;j{ejio] Ss] se] se] a ]s 3
3 ie 3 8 8 3 a s 3 2. 3 312 |b" 42/84/22 /4)21)4)] 8 3 é os | 3 és | 5 i
z a | = | 6 |] # 4 i Asia EF | @ 4 {4 /A le S Pte | SS iS oa eb) Be fe hee he lee | iS
Fine aggregate__-..------. fal SEMSW% sec. 4, T. 10 8., R. 12 E. 10, 000 5 1 Good...| Glacial outwash.....---- HC 16448 | 4-13-31 | Bedded chert gravel with matrix of sand, thick beds of sand; thin (7) 1.36, (28) 1.86 |--------|-----_|------]--------]----- | 2 15 43 78 97 9! 3.35
clay layers and some hard conglomerate.
HC 16449 | 4-10-31 | This be Gay contains some coarse aggregate and a few boulders up CW re ae eee, eee Seen | See! 1 5 20 59 95 2.79
to 1 ft in maximum dimension.
SEMSWK sec. 23, T. 9 8., R. 10 E____--. ) 24 1.5 | Good-_-| Glacial outwash__-------| HC 66221 | 1-23-50 | Coarse sand and some fine gravel. Coarse fraction retained on no. (1) 0.98, (8) 0.938 | 334} C [| ----) 0.98 |------|-----_) 8 16 34 60 84 3.02
G8 4 sieve contains 5 percent quarts; 5 percent feldspar; 85 percent
acidic igneous rock; 5 percent quartzite; sandstone trace. Fine
fraction 60 percent quartz; 25 percent feldspar; 10 percent acidic
. igneous rock; 5 percent basic igneous rock.
cee ah HC | 12105| 7-21-28 Bend-gravel from pre-1903 channel of Kansas River. Suitable for 2 an | Soe Fe, ea I Ree, eee See 1 12} 32] 73] 97 3.19
ma2 | NEMNEY sec. 16,T.108.,R.12E._-.| 30 3+ food -.|\ Alktvitira..._..-~-2=--. conerete work. 98) 1.79 (+
ANE : a HC 12106 | 7-21-28 ae of large particles are chert or limestone. Suitable for con- () 218, (pe ne eee lees Pere ee | Melee a 14] 42] 75] 96 3.82
e work.
HC | 49412} 1-22-46 | Contains small amount of calcareous particles. Acceptable under (1) 1.49, @) 1.25 | 3867) D |---| .94 || 1 30| 73] so] 93 3.86
sees, 106, 108, 110, and 112 of specifications of 1945. High or-
ganic content.
ma3 SEM{NEX sec. 9, T. 10 8., R. 10 E___--- GL "e-ssseed 0 Good. 2) Alfayium. .....--c=2522-| HC 19975 | 9 6-32 | Sand-gravel. Contains some limestone and chert pebbles. In COL ae 2 ae aa os Soe eee lee eas, 0 0 0 2 8 28 54 82 96 3.70
1949 daily production of road gravel was 250-300 cu yds; con-
erete sand 400 cu yds.
HC | 22782 0 0 0 1 9] 25] 48] 79] 95 3.57
HC | 23085 7) 1.40, (28) 1.04 0 0 0 0 2| 11] 25] 60} 90 2.85
. HO | 60274 High organic conten a '1) 2.02; (3) 1.63 0 0 0 al 6] 20] 47| 79] 96 3.48
Mineral filler._.......----. mf1 NEMNEY sec. 3, T. 6 8., R. 12 E.----- 35, 000 10+] 1 Good--| Glaciolacustrine......--- HC 63990 Cementation test by Bollen method. (41 Av.) Liquid limi 0 0 0 tt) 0 0 0 1 |, “Scere.
Gs Plastic Index=8. Tan-gray coarse silt, CaCo; abundant.
HC | 61782 | 1-28-49 Ce test by Bollen method (5 Av.) ‘Thin layers of ear | 86.8] 2.60) 22 f a nnnnfen nen ef nena anne onan 0 0 0 0 0 0 0 ty) af WORE ens
naceous clay.
Sand__.----------------- al SWINWK sec. 7, T. 108., R. 9 E_---- (0) 100+; 1 Good.-} Glacial outwash_------.- HC 66222 | 1-23-50 | Fine stratified clean quartz sand. Locally cemented by iron oxide. (4) Q/418(6) 0161 -|- -----2fh---- bop 0 0 0 0 0 0 0 1 10 0. 60
Gs Fine fraction was 75 percent quartz; 15 percent feldspar; 5 per-
cent mica; and 5 percent basic igneous flint gravel base-course
rock.
imestone gravel_.------- t SWMSWH sec. 15, T.65., R. 12 E__-__ 1140, 000 20 0 Good--| Old gravel..------------ HC 61773 | 1-28-49 | Liquid Limit—47; Plastic Index=29. Limestone and chert gravel |_-------|--------|....------.-------|--------|------|------]--------|------|------ 23 36 46 59 7A 80 82 4.92
acnreistn exe ra ie “ASW _ with sand, silt and clay admixed. Some boulders more than 1 ft
in diameter. Acceptable for use as under sec. 116 of 1945
specification.
1g 2 NWSE see. 8, T. 6 8., R. 8 E_-.---- 10,000 0 Good_-| Terrace deposits.. HC | 58129 | 1-29-49 | Acceptable for use under secs. 108, 109, 110, and 112 of 1945 speci- 2] 50] 61] 68] Z| 74] 7% 5.18
fications. Limestone and chert pebbles with some silt and clay.
Ig3 SWUNWH cee. 8, T.78., R. 7 E------ 50, 000 |-------- 0 Good_-| Sanborn formation. HC | 61775 | 1-25-49 | Calcareous chert gravel. Acceptable for use under secs. 108, 109, 27| 60/ si; 92] 96] 97] 97 6. 53
61776 110 and 112 of 1945 specifications with control of sieve analysis
and deleterious ‘substances. Liquid Limit=33} Plastio In-
jex= 15.
Ig 4 SEMSEM seo. 22, T. 8 8., R. 12 E. _| 1,000 Good. - HC | 71439 | 4-18-51 | Limestone pebbles with some chert. Acceptable for use under |...--.--|.-------|___--.------------| 428] A |----- 21) 36] 51] 63] 73| 81] 87 5.08
secs. 101 and 102 of 1951 specifications.
Ig 5 SWMSWH ceo. 15, T.88., R. 11 Zl Poor.-- HC | 71438 | 4-18-51 | Coarse limestone fragments with some shale. Acceptable for use |__---.--]--------|____-_------------|_ 876] A |.----- 35] 52] 61] 68| 76] 85] 90 5.71
under secs. 101 and 102 of 1951 specifications.
eg 1 SEMSEM sec. 35, T.88., R. 12 E. 1240, 000 38+ Good... |, Oldigravel._...-.=------| HC 33641 | 3-14-38 | Slaking (30+); cementation tests (100+-) on material passing no. 4 |_-------} 2.52 |___-._-.----.-----| 16.0] C |------}--------|------|------ 30 AT 57 64 7 84 95 5.57
sieve. Upper part calcareous.
HC | 51850] 8-10-46 | Weight rodded as received 113 Ibs per cu ft; loose as received 104
Ibs per cu ft. Limestone and chert pebbles, sand and clay
binder. Conglomeratic in places.
mo | 2 1-11-49 | Plastic Index=12-__- 26} 45| 58] 70] 76] 80] 88
HC |” 6093 11- 9-50 | Acceptable for aggregate under supp. ‘specification 45407 and
Good 1 Ho | aseis| 1 Gong Caer na! Gee ee Sr acal 48
cg 2 SEMSEX sec. 19, T. 8 8., R. 9 E_-.---- 60, 000 6 a --| Old gravel_..----------- 80-40 | Oversize=2.3 percent; ing=24, LR SL COT. | ER eee ee ee Meee eee eee merece eer 29 64 75 81 83 84 5. 52
es SEM a some glacial quartzite boulders. Cementation (100+) Deval
abrasion (graded coarse aggregate) Percent wear-E grading=
4 Fait Howe li per| uc | ssos2 | 2-26-40 | Porous ieee iateeein cal sips ia he 27 26
is ne.-------------- Ip 1 NEMSEX sec. 15, T. 6 S., R. 12 E______ 1, 300 L5 ‘air. ..| Howe limestone member_ orous massive dark-gray to tan limestone that weathers cavern- | 156.8] 2.54 |___-----__-_
aimee iaseateeen Ty a ous, Satisfactory as aggregate under secs. 68, 69, 70, 71, 73,
Good HC | 50585 | 7 Wiisalve eras Yost gray i Gani A f 2.8
Is 2 NWMSEX sec. 18, T. 6 8., R. 12 E_----| 000 3 L5 '--| Reading limestone mem- 585 I 1-46 ‘assive dense gray to tan limestone. Acceptable for aggre- |..------| 2.58 |_____...-_.-..----| 268] A |------ 30
ASE § . ber. Upper layer. gate under secs. 108, 109, 110, 111, 112, and 114 of 1045 specifi-
cations.
Middle layer___--------- HC 50586 | 7- 1-46 | Usually divides into 3 layers. Acceptable for aggregate-___
Is 3 NWMSWK seo. 12, T.68., R. 10 E__.| 6,000 2 3 Poor.--| Five Point limestonemem- | HC | 66225] 1-23-50 | Coarse massive coquina limestone; limonite stained. Not satis-
ber. GS factory for mixed or coarse aggregate for concrete because of
igh percent wear.
b4 NWSW sec. 21, T.68.,R.10 E._--| 8,000 2 1.5 | Good_-| Crouse limestone--.------ HC 66233 | 1-23-50 | The upper massive tan-gray layer is of the Crouse limestone; small |---.----| 2.41 |_-----------------| 824] A |------ 5,12
Gs cavitios. Acceptable for surfacin,
1b 5 SWH{SWH sec. 22, T.68., R. 10 E ----] 30,000 4 1.5 | Good_-| Cottonwood limestone HC 61780 | 1-28-49 | Tan-gray massive limestone with 54 in, cavities; weathers dark |_-...-.-] 2.33 |_____..-..--.-_---| 47.9 [------J------| . 75 |------|------)
member. Upper layer. gray., Acceptable for surfacing. 61780 from! upper part of
jestone.
Lower layer_------------| HC | 61781| 1-28-49 | Tan-gray massive limestone with 4 in. cavities; weathers dark |...__--| 287 |__.-.-.-----------| 446 |-----.|------|. . 71 |------|.-----]
P Neva li er..| 110 | 32900 | 10-29-07 | mfanve gray limestone with tantcray porous spots, Betistactory 3.0
1s 6 EMNEM ceo. 27, T. 6 8., R. 10 E_---- 000 6+) 2 oor_.-| Neva limestone member. fassive gray limestone with tan-gray porous spots. Satisfact if
PANTIE 4 . » for aggregate under secs. 58, 59, 60, 61, and 63 of 1934 specifi-
cations.
HC | 38980 | 2-26-40 | Massive gray limestone with tan-gray porous spots. Satisfactory 5.8
for aggregate under secs. 68, 69, 71, 78, and 76 of 1937 speciti-
cations.
187 | NEMSEM sec. 28, T.68., R. 10 B__....| 8,000 6 1.5 | Poor-._| Cottonwood limestone HC | 30275 | 11-23-36 | Massive light-gray limestone with a few divitrified chert nodules. 65 3.9
member. Acceptable for aggregate under sees. 58, 59, 60, and 61 of 1934
specifications,
Is 8 ‘SEM seo. 28, T. 6 8., R. 10 E_. 4,000 2 1.5 | Good_-| Hiss limestone member..-| HC 38981 | 2-26-40 | Massive dense tan-gray limestone with small cavities on weathered |..__.---]| 2. 50 |__________--___-_-| 48 28
Bwceme e ss surface. Satisfactory for aggregate under secs, 68, 69, 70, 71,
78, and 76 of 1937 specifications.
189 SEMSWY sec. 15, T.78.,R. 12 E.-----.| 8, 000 3 1.5 | Fair_.-} Funston limestone_------ HC | 27528 | 2-10-36 | Coarse light-gray limestone with calcite cleavage. Porous when |......--| 2.09 |_._-.------------- 19.5 9.2
weathered. Not satisfactory—too soft for aggregate,
HC | 28468] 5-21-36 | Coarse light-gray limestone with calcite cleavage. Porous when |........| 2.47 |...--------------- 8.6 2.64
weathered. Satisfactory for aggregate under secs. 58, 59, and
61 of 1934 specifications.
HC | 38977] 2-26-40 | Coarse light-gray limestone with calcite cleavage. Porous when |.-....-.| 2.29 |____ Ba 8.0 7.8
weathered. Satisfactory for aggregate under secs. 68, 69, 70,
71, 78, and 76 of 1987 specifications.
HC | 38979] 2-16-40 | Coarse light-gray limestone with calcite cleavage. Porous when |-..--.--| 2.26 |.._-.-------------| 9.1 5.2
weathered, Satisfactory for aggregate under secs. 68, 69, 71,
and 73 of 1937 specifications.
HC | 45467 | 8 4-42 | Coarse light-gray limestone with calcite cleavage. Porous when |_.--..-.|--------|.-----------------|--------|------|.------| 8 [------J------
weathered. Acceptable as riprap under sec. 91, Art. 91.11 of
1937 specifications.
HC | 49432] 3-21-46 | Coarse light-gray limestone with calcite cleavage. Porous when |_....-.] 2.68 |.-...-.-----------] 286] A |------ 1.0
weathered. Acceptable for aggregate under secs. 107, 108, 109,
110, 111, 112, and 114 of 1945 specifications.
HC | 49483 | 3-21-46 | Coarse light-gray limestone with ealcite cleavage. Porous when |-...-..-] 2.51 |..--------------| 34 7/ A |. 34
weathered. Does not comply with soundness requirement of
material for aggregate of sec. 107 of 1945 specifications.
HC | 40484 | 8-21-46 | Coarse light-gray limestone with calcite cleavage. Porous when |......--| 217 |__.----. eeceeeee--| 862] A |-----1 8.95
weathered. Not satisfactory for most aggregate uses because
of high percent wear according to 1945 specifications.
1s 10 NEMNWK sec. 21, T. 7 8., R. 12 E____-| 5, 000 4 1.5 | Good_-| Funston limestone. Up- HC 30673 1-13-37 | Porous ieee limestone with calcite cleavage; weathers |.......-] 2.25 |__-----.---------- 9.0 3.3
per 3 feet. into several layers. Satisfactory under supp. specifications for
bituminous mat surface written March 31, 1946.
HC | 38076 | 2-26-40 | Satisfactory for aggregate under sees. 68, 69, 70, 71, 73, and 76 3.9 1.6
of 1987 specifications.
HC | 38977 | 2-16-40 | Satisfactory for aggregate under secs. 68, 69, 71, and 78 of 1937 8.6 3.8
specifications.
HC | 49429 | 3-18-46 | Acceptable for aggregate under secs. 107, 108, 109, 110, 111, and 1.3
114 of 1945 specifications.
HC | 49430 | 3-18-46 | Acceptable for aggregate under secs. 107, 108, 109, 110, 111, 112, 5.54
Fi Eiss li ber. rie | 66230 | 1-23-50 | Dense ‘Ancgrained erny Limest Acceptable f i 3.04
EM, sec. 23, T.78., R. 12 E. 6, 000 2 1.5 | Fair....| Eiss limestone member_.. S mse fine-grained gray limestone. Acceptable for surfacing. |.-...-.-] 253 |..---------------| 282] A |------
Is 11 | SWM4SEM ” Gs About 1000 cu yds of limestone in ink sized properly for
crushing were in quarry in 1949.
Is 12 NWMSWK sec. 27, T. 7 8., R. 12 B__-- 10, 000 3 1.5 | Good_..| Funston limestone_--_---| HC 30500 | 12-12-36 | Two layers examined separately for soundness. Massive, coarse, |..--._-_|--------|------------------|--------|------|------]| 8 © |------[------
30501 light-gray to tan-gray limestone that weathers tan, cavernous.
Satisfactory for masonry stone in drainage structures. Used
. as riprap on Little Noxie Creek.
HC | 38975 | 2-23-40 | Two layers examined separately for soundness. Massive, coarse, |.-...-..| 2.33 |....------. sd 7.0 5.8
light gray to tan-gray limestone that weathers tan, cavernous.
Satisfactory for aggregate under secs. 68, 69, 71, 73, and 76 of
1937 specifications.
HC | 49431 | 3-21-46 | Acceptable for aggregate under secs. 107, 108, 109, 111, 112, and |_-..-...| | 2.33 |....--.-----------| 40.3] A |------ 5.77
Good. od li ric | 4g0s4 | 11-20-45 | Medium-hard, porous Hewes taining chi d_chaleedi 3. 96
2, T.78., RB. 9 E___| 23, 500 42) 4 |_--] Cottonwo imestone - fedium-I porous limestone containing chert and chalcedony |..---.-| 2.46 |.--.--------------] 440] A  |----- q
I faa a si member. Toililes Batnentory foriameeuzte uillor cscs: 107, 108) 108,
Good. di HC 66231 | 1-23-50 Mass oa mee Nae Cee Seaeerae 3.9 ft above Hob le 3.56
10, T.7 8. R. 7 E_..----| 50, 000 25) 5 _--| Towanda limestone mem- ~ fassive, dense, hard-gray limestone layer 3.9 ft above Holmesville |.-.-.-.-] 2. 51 |__----------------| 282] A |------
i a : ‘" 5 Gs shale.’ Acceptable for aggregate. Because of thickness (14 ft),
and thin overburden, this loestion might be good source of road
metal.
sec. 13, T. 7 S., R. 7 E_----- 000 23) 2 Good_-_| Fort Riley limestone HC 66229 | 1-23-50 | Medium-hard, cavernous, chalky tan-gray limestone. Acceptable |_-__.-_.] 2.36 |.-.-.-.-----.-----| 35.2] A |------ 5.90
2b. NWSW Ue tty & ater Gs (oedgerepate, ‘Mitental frany this quarcy used fer foadeurfuciog
F Neva li ber| HC | 39230] 1-27-38 | Massive Hehtgray limestone, Satisfactory f te und 4.59
. 14, T. 8 8., R12 E______] 2, 500 3 e ‘air._.| Neva limestone member- -27-% fassive light-gray limestone. Satisfactory for aggregate under
SLB) 9 BER RE ene 1 BIE i secs. 68, 69, 71, 72, and 73 of 1937 specifications.
1s 17 | SESE sec. 30, T. 8 8., R. 12 B___--_ 30, 000 6 .5 | Good_-| Cottonwood limestone| HC | 49435| 3-21-46 | Massive light-gray limestone with chert nodules. Not satisfactory. 5. 64
us member. Does not comply with soundness requirement of sec. 107 for
ageregate, 1946 gpecification. Acceptable for surfacing.
HC | 49436] 3-21-46 | Massive light-gray limestone with chert nodules. Not satisfactory. |........| | 2.31 |...---------------| 487] A  |.----- 4.38
Does not comply with soundness requirement of sec. 107 for
aggregate, 1945 specification. Acceptable for surfacing.
HO | 49437] 3-21-46 | Massive light-gray limestone with chert nodules. Acceptable as
aggregate for surfacing under sec. 112 of 1945 specifications.
HO | 49438} 3-21-46 | Massive light-gray limestone with chert nodules. Acceptable as
aggregate for cover material or surfacing under secs. 110, and
112 of 1945 specifications.
HC | 52977 | 12- 3-46 | Massive light-gray limestone with chert nodules. Satisfactory for
aggregate under secs. 107, 108, 109, 110, 111, 112, and 1i4 of
1945 specifications.
HC | 61777) 1-28-49 | Massive light-gray limestone with chert nodules, Acceptable for |-.-.---.| 240 [o-w----a----csn-n-] 8% 4 feoeenfonne-f] 279 [onan faa
surfacing.
61778 | 1-28-49 | Massive light-gray limestone with chert nodules. Not satisfactory |_._.....| 2.88 |..-.-------------| 58.6 |------|---..}. 40 |------]----_-
for coarse aggregate for concrete because of high percent wear,
according to 1945 specifications.
61779 | 1-28-40 | Massive light-gray limestone with chert nodules. Acceptable for |.......] 2.40 |_._-.------------] 87.0 |------|.-----] 79 |------|------
surfacing.
1818 | NEMSEM sec. 6, T. 8 8., R. 10 E.--___| 15, 000 9 1.5 | Fair___| Neva limestone member-| HC | 26252] 8 1-35 | Massive dense gray limestone with small porous tan-gray pockets.|.......| 2.43 |_-........-------- 62 4.26
Satisfactory as a coarse aggregate in portland cement conerete
ro | cosas | 1-2a-so | mitietuzes jinder seo. 89 of 1984 specifications. aah,
. 27, 7.88. RB. 10 E_---} 1,000 3 1.5 | Good__.| Aspinwall limestone mem- 23-5 fassive medium coarse-grained tan to tan-gray limestone; lami- |........| | 2.41 |.-.......--------| 328] A |.----. .
Ha 10) tf NBSENWa teenies ie Gs nated with clay plates. Acceptable for aggregate Thinness
(1 ft) and rectangular jointing of this stone make it suitable for
Good. -} B Me limest Hic | 0228 | 1-23-50 | Massive Hard dense brown Limestone in two beds, Acceptable f 2.35
sec. 27, T.88., R. 10 E_-_-- 1,100 3. 5] 5 --| Brownville limestone \— ive lense brown limestone in two 3. Acceptable for j........| 2.62 j.-...-.--...--.---| 228] A |----.. .
Is 20 NEMSWM , ” . member. Gs aggregate. About 1,000 cu yds of limestone in blocks sized
F Burr Ii weessl) || “agane\|| 1msa-ap)| weetegitoronageege estoue Be ee ite under 2.49
4 . SIS., R. 9 E._.---| 24,000 6 1.5 | Fair___| Burr limestone member-- fagsive porous imestone. Satisfactory for aggregate under |..-._.-_| 2.58 |..-.--------------] 31.5] A |-----
Be 2) © | YN ele, Se sees. 107, 108, 109, 110, 111, and 112 of 1946 specifications.
HC | 48056 | 12 4-45 | Massive porous gray limestone. Acceptable for aggregate under |_____._.] 2.49 |.-..-.------------| 38.1] A |---| 3.02
secs. 107, 108, 109, 110, 111, and 112 of 1945 specifications.
HC | 48957 | 12- 4-45 | Massive porous gray limestone. Acceptable for surfacing under |........]|| 2.42 |..--.-------------| 41.5] A |------| 4,33
sec, 112 of 1945 specifications. “Under soundness C-course;
fine.
15, T, 818., R.7 BL. 2,000 2 1.5 | Poor.-| Schroyer limestone mem-] HC | 66226] 1-23-50 | Massive crossbedded porous gray limestone; weathers dark gray. |.....-.| 2.51 |.-....------------]| 29.8] A |.----. 2.75
Maa?) | Re enue! _ GS Meyer Wee uctie eedtia, Geena ter ceeetin Hit
amount of overburden makes this limestone unsuitable for
Go ber} HC | 35877 | 11-16-38 We ee = enti li Satisfactory fe 4.6 a7
. 8, T.98., R. 12 E__-----| 40, 000 6 0 od ..| Neva limestone member-] 1 assive li ay, slightly porous limestones. Satisfactory for |........] 2.51 |_-.--------------- r ;
28) | Sweeties. $, 098, eareunte under ceca 68, 00 70, 71, 73, and 76 of 1937 specifien-
tions.
.98., R. 12 B_..__ 9, 000 6 1.5 | Fair___| Cottonwood limestone | HC | 38974] 2-26-40 | Massive light-gray limestone with chert nodules; weathers shaly. |-....._] 2.39 |..._-----_------.| 5.8 5.5
1s24 | SWI4SEM sec. 15, T. 9 8., R. 12 E. member. Satisfactory for agaregate under sees. 68, 69, 70, 71, 73, and 76
be ric | 38073 | 2-19-40 | Massive dence lie heel limestone with tan ts 48
EXS . 27, T. 9 8, R. 12 E_....--| 20, 000 6 5 | Good.-} Neva limestone member-. fassive dense lig! y_limestone_wit -gray porous spots;
_ Nie aot TPAD 4) weathers tan gray and shaly. Satisfactory for aggregate in
gtushed stone for base construction under supp. specification no.
37-299.
17, T.98, R. 11 E_---_| 15, 000 9 1.5 | Good_-| Neva limestone member-.| HC | 45158 | 6-12-42 | Massive dense light-gray limestone with tan-gray porous spots. |_...__-_|.-------|--.---------------|--------|------]------]_ «94 J------|-----
Se eae ae ‘ Good. -| Americus limesto uc | ec2se| 1-25-50 | masive dete light hast oray limestones weathers aay shal 2.39
. .98.,R.11E_..-] 1,400 2 L5 --] Americus li ne mem- ~ ive dense light bluish-gray limestone; weathers gray shaly.
In2t || SBRNW Ad ieoe 2) 8 ORR ber. GS hoa saabie Tor aceeeet Tikes tel cusinee otk
limestone make it suitable for masonry stone in drainage struc-
tures.
. 6, T.98,, R. 10 B.. 000 8.5] 1.5 | Good_-} Dover limestone member-| HC | 66227| 1-23-50 | Massive dense dark gray-tan mottled limestone, weathers shaly in |_....-..| 2.55 |_-----------------| 30.8] A  |-----1 3.40
1s28 | SE}4SE}4 sec. 6, T.98., 8 GS ‘upper 2 ft and nodular in lower 6.5 ft. Acceptable for surfacing.
‘The Dover limestone is unusually thick near this locality.
1s 29 NWHMNW sec. 20, T.98., R. 9 B__--_ 8, 000 6 1.5 | Fair_.-| Burr limestone member..| HC 66224 | 1-23-50 | Massive coarse-grained granular gray limestone; weathers gray to |.---.-.-| 2. 36 |------------------| 420] A |------ 5. 83
GS dark gray porous. Acceptable for aggregate.
1s30 | NW}{NEM seo. 3, T. 108., R. 12 E___-| 2,000 3 0 Good.-| Neva limestone member-.| HC | 16447| 3-23-31 | Only lower 3 ft; weathered to shaly gray limestone. Acceptable |_....---|----.---|------------------|--------|------ 4.0 2.64
only for aggregate because of thinness and weathering. Specific
gravity (dry) = 2.44. Satisfactory for use in concrete construc-
tion.
seo. 18, T. 10 8., R. 10 E__-| 30, 800 57 8 Fair__.| Tarkio limestone mem-| HC | 66232} 1-23-50 | Massive dense to chalky light-gray limestone; weathers brown. |....-.--| 2.60 |.--.--------------| 30.5] A  |-----. 1.59
a i ber. GS ‘Acceptable for aggregate. Used for riprap along Union Pacific

Railroad.

1 Unlimited.