00935cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040003100111043001200142050002200154051001600176086001600192100004900208245006000257260004900317300005500366410005700421500004800478504003100526650002600557650003200583650004200615gs 62000238 DLC20260227111411.0780406s1961    dcuabd   b   f000 0 eng    ags 62000238   a(OCoLC)3784624  aDLCcOClUdISSdOCoLCdDLC  an-us-mt00aQE75b.P9 no. 348  aQE729b.E280 aI 19.16:3481 aEaston, William H.q(William Heyden),d1916-10aCarboniferous formations and faunas of central Montana.  aWashington :bU.S. Govt. Print. Off.,c1961.  aiv, 126 p. :bill., map, diagr., tables. ;c29 cm.20aGeological Survey (U.S.).tProfessional paper ;v348  aPart of illustrative matter fold.in pocket.  aBibliography : p. 104-108. 0aPaleontologyzMontana 0aPaleontologyyCarboniferous 0aGeology, StratigraphicyCarboniferous