00984cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153050002100165100004900186245008400235260006900319300005000388490005900438500004600497504006300543650002300606650003700629700003500666999001700701gs 32000041 DLC20260227111336.0761214s1931    nbuab    b   s001 0 eng c  ags 32000041   a(OCoLC)2622462  aU. S. Geol. Survey.  Libr.cTxWBdDLC  apremarc00aQE135b.A4 no. 61 aCondra, Geo. E.q(George Evert),d1869-1958.10aCorrelation of the Big Blue series in Nebraska,cby G. E. Condra and J. E. Upp.  a[Lincoln]bPrinted by authority of the state of Nebraska,c1931.  a74, [2] p. incl. illus., map, tables.c25 cm.0 aNebraska.  Geological survey.  Bulletin 6, second ser.  aAt head of title: University of Nebraska.  a"Annotated bibliography of the Big Blue series": p. 68-74. 0aGeologyzNebraska. 0aGeology, StratigraphicyPermian.1 aUpp, Jerry Eli,ejoint author.  c26938d26938