00951cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153043001200165050001600177082001100193110005600204245012000260260002400380300004500404410005000449500001700499500008400516504002900600650002700629999001700656gs 55000266 DLC20260227111403.0790424s1955 nduab b s000 0 eng c ags 55000266  a(OCoLC)4888891 aU.S. Geol. Survey. Libr.cMnMohCdDLC apremarc an-us-nd00aQE149b.A53 a557.842 aUniversity of North Dakota.bDepartment of Geology.10aContributions to the geology of North Dakota,cby students and staff, Dept. of Geology, University of North Dakota. aGrand Forks,c1955. a83-156 p.billus., maps, tables.c23 cm.20aNorth Dakota Geological Survey.tBulletinv28 aCover title. a"Reprinted from the Compass of Sigma Gamma Epsilon, vol. 32, pp. 83-156, 1955." aIncludes bibliographies. 0aGeologyzNorth Dakota. c28985d28985