00906cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160043001200172050001500184100002600199245009500225260003000320300003600350410005000386500005200436504002800488650002700516650003900543650002900582999001700611gs 64000180 DLC20260227111414.0790425s1963 nduab b s000 0 eng c ags 64000180  a(OCoLC)4893325 aU.S. Geol. Survey. Libr.cMnMohCdOCoLCdDLC apremarc an-us-nd00aQE149b.B31 aBallard, Frederick V.10aStructural and stratigraphic relationships in the paleozoic rocks of eastern North Dakota. aGrand Forks, N.D.,c1963. av, 42 p.bmaps, diagrs.c23 cm.20aNorth Dakota Geological Survey.tBulletinv40 aPart of illustrative matter folded in envelope. aBibliography: p. 39-42. 0aGeologyzNorth Dakota. 0aGeology, StratigraphicyPaleozoic. 0aPetrologyzNorth Dakota. c29823d29823