00836cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040005200111042001200163043001200175050001600187082001100203100003500214245007000249260004700319300005500366410005000421504002800471650002700499650001000526650003400536gs 42000011 DLC20260227111347.0790420s1941 nduab b s000 0 eng c ags 42000011  a(OCoLC)4877236 aU.S. Geol. Survey. LibrarycMnMohCdMnMohCdDLC apremarc an-us-nd00aQE149b.T55 a557.841 aTisdale, Ernest Edward,d1916-14aThe geology of the Heart Butte quadrangle,cby Ernest E. Tisdale. aGrand Forks, N.D.,bU. N. D. Press,c1941. a[3]-32 p. incl. tables, diagrs. fold. map.c23 cm.20aNorth Dakota Geological Survey.tBulletinv13 aBibliography: p. 31-32. 0aGeologyzNorth Dakota. 0aSand. 0aSedimentation and deposition.