00778cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153043001200165050001600177100003300193245006400226260002400290300004200314410005000356500007800406504002500484650002700509gs 56000184 DLC20260227111404.0790424s1956    ndub     b   s000 0 eng c  ags 56000184   a(OCoLC)4888927  aU.S. Geol. Survey. Libr.cMnMohCdDLC  apremarc  an-us-nd00aQE149b.L251 aLaird, Wilson Morrow,d1915-10aGuide for geologic field trip in northeastern North Dakota.  aGrand Forks,c1956.  a20 p.bmaps, profiles, table.c23 cm.20aNorth Dakota Geological Survey.tBulletinv30  a"Reprinted from North Dakota history, volume 23, no. 1, pp. 27-44, 1956."  aBibliography: p. 16. 0aGeologyzNorth Dakota.