00977cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004400111050002200155051001500177086001600192100005000208245010200258260004800360300004900408490004500457504002900502650002500531650003800556650003000594810005800624999001700682gs 66000297 DLC20260227111420.0771019s1967    dcuab    b   f000 0 eng c  ags 66000297   a(OCoLC)3354289  aU.S. Geol. Survey. Libr.cAzUdISSdDLC00aQE75b.P9 no. 540  aQE681b.I50 aI 19.16:5401 aImlay, Ralph W.q(Ralph Willard),d1908-1989.10aTwin Creek limestone (Jurassic) in the western interior of the United States,cby Ralph W. Imlay.  aWashington,bU.S. Govt. Print. Off.,c1967.  aiv, 105 p.billus., maps, 16 plates.c29 cm.1 aGeological Survey professional paper 540  aBibliography: p. 99-102. 0aGeologyzWest (U.S.) 0aGeology, StratigraphicyJurassic. 0aPaleontologyzWest (U.S.)2 aGeological Survey (U.S.).tProfessional paper ;v540.  c30268d30268