Document: 397 U.S. 88 90 S.Ct. 784 25 L.Ed.2d 73 ARKANSAS, Plaintiff,v.TENNESSEE. No. 33, Orig. Argued Jan. 19, 1970. Feb. 25, Don Langston, Little Rock, Ark., for plaintiff. Heard H. Sutton, Memphis, Tenn., defendant. PER CURIAM. 1 This original action was commenced on October 13, 1967, by the State of Arkansas to settle a boundary dispute with Tennessee. The disputed area extends six miles laterally along west (Arkansas side) bank Mississippi River and encompasses some five thousand acres. Court's jurisdiction arises under Art. III, § 2, Constitution United States. On January 15, 1968, we appointed, 389 1026, Hon. Gunnar Nordbye, Senior States Judge District Minnesota, as Special Master determine state line in known Cow Island Bend located between Crittenden County, Arkansas, Shelby After conducting an evidentiary hearing viewing area, filed his Report this Court recommending that all be declared part We affirm Master's Report. 2 parties agree is thalweg, is, steamboat channel it flows southward these heard evidence presented exhibits maps which showed migration northward continued until about 1912. At time avulsion occurred leaving Tennessee lands or side new avulsive river channel. found thereafter, because avulsion, water thalweg became stagnant erosion accretion no longer occurred. fixed middle old abandoned 3 classic example situation referred earlier case States, v. Tennessee, 246 158, 173, 38 301, 304, 62 L.Ed. 638, where said, 4 'It settled beyond possibility running streams are boundaries same rule applies private proprietors, namely, when bed changed natural gradual processes accretion, follows varying course stream; while if stream from any cause, artificial, suddenly leaves its forms one, process resulting change workers boundary, remains channel, although may flowing it, irrespective subsequent changes channel.' 5 And, again, id., at 175, S.Ct., 305, 6 'An has effect, whether results drying up not. So long stream, marked still subject accretion; but becomes stagnant, effect end; then have defined filling ensues not treated shores ultimate avulsion.' 7 exceptions overruled adopted. 8 It ordered Nordbye be, he hereby, appointed Commissioner power engage supervise competent surveyor, surveyors, survey recommended determined such shall submitted and, approved, two 9 costs proceeding divided equally parties. DECREE 10 1. ordered, adjudged, decreed controversy Bendway Channel partially reflected 1953 one R. L. Cooper (Defendant's Exhibit 42, attached decree Brown Brakensiek, Chancery Tennessee), said extending upper up-river end lower down-river Ike Chute far goes, thence downstream southerly direction passing down drain creek now 96 Chute, continuing coming out straight point joins present navigation River, indicated broken 'State Line' annexed reduced copy 1965 aerial photograph controversy, Joint A, Appendix A—I, also Defendant's 39, 1937 map Engineers hereto A—II. 11 2. provided decree. 12 3. 13 APPENDIX A-I. Page 92-Contiued 14

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