00907cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153043001200165050001600177082002000193100001900213245008900232260002400321300006100345410005000406504003100456650004000487650002700527740005800554999001700612gs 55000319 DLC20260227111403.0790424s1955    ndub     b   s000 0 eng c  ags 55000319   a(OCoLC)4888912  aU.S. Geol. Survey. Libr.cMnMohCdDLC  apremarc  an-us-nd00aQE685b.H22  a551.77a551.76*1 aHansen, Dan E.10aSubsurface correlations of the Cretaceous Greenhorn-Lakota interval in North Dakota.  aGrand Forks,c1955.  a46 p.bmaps, diagrs. (2 fold. in pocket) tables.c23 cm.20aNorth Dakota Geological Survey.tBulletinv29  aBibliographical footnotes. 0aGeology, StratigraphicyCretaceous. 0aGeologyzNorth Dakota.0 aCretaceous Greenhorn-Lakota interval in North Dakota.  c29000d29000