00864cam a22002411 4500001001300000003000400013005001700017008004100034010002300075040003400098043001200132050001300144100004900157245010700206260007900313300003800392410005300430504002900483650002300512650002800535700004200563999001700605gs 68000016 DLC20260227111421.0710913s1959 nbuab b 00010 eng c ags 68000016 //r882 aU.S. Geol. Survey. Libr.cICU an-us-nb1 aQE135.A410aCondra, Geo. E.q(George Evert),d1869-1958.14aThe geological section of Nebraska,cby G. E. Condra and E. C. Reed. Current revisions, by E. C. Reed.0 aLincoln,bUniversity of Nebraska, Conservation and Survey Division,c1959. avii, 82 p.billus., maps.c25 cm.10aNebraska.bGeological Survey.tBulletinvno. 14A aIncludes bibliographies. 0aGeologyzNebraska. 0aGeology, Stratigraphic.10aReed, E. C.q(Eugene Clifton),d1901- c30401d30401