00653cam a22002051a 4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111050001600157100003900173245007900212260005400291300003800345650001900383650002800402999001700430gs 15000417 DLC20260227111317.0821106s1915    iaud         s000 0 eng c  ags 15000417   a(OCoLC)8932357  aU.S. Geol. Surv. LibrarycOrCSdOrCSdDLC00aQE654b.K491 aKeyes, Charles Rollin,d1864-1942.10aTerrainal differentiation of the Paleozoic succession /cby Charles Keyes.  aDes Moines :bR. Henderson, state printer,c1915.  a[2 p.] :b1 fold. chart ;c25 cm. 0aGeologyzIowa. 0aGeology, Stratigraphic.  c25523d25523