01012cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040005100111050002200162086001700184100004500201245023400246260004800480300010600528410005500634504003000689650002200719650004100741gs 64000174 DLC20260227111414.0791108s1963    dcuab    b   f000 0 eng c  ags 64000174   a(OCoLC)5667292  aU.S. Geol. Survey. Libr.cOCldOCoLCdISSdDLC00aQE75b.P9 no. 3460 aI 19.16:346/1 aRoss, Clyde P.q(Clyde Polhemus),d1891-14aThe Belt series in Montana;bdata on the Belt series in Montana, and related rocks, with a stratigraphic classification.cWith a geologic map compiled by Betty A. L. Skipp and a section on Paleontologic criteria by Richard Rezak.  aWashington,bU.S. Govt. Print. Off.,c1963.  av, 122 p.billus., map, diagrs., tables and portfolio (5 fold. col. maps, col. diagr., table)c30 cm.20aGeological Survey (U.S.).tProfessional paperv346  aBibliography: p. 112-119. 0aGeologyzMontana. 0aGeology, StratigraphicyPrecambrian.