00970cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040002700111050002200138051002000160100004000180245007700220260004300297300006700340490004200407500005000449500006700499500003400566650004600600650004100646999001700687gs 25000400 DLC20260227111329.0760210s1925    dcu          f000 0 eng    ags 25000400   a(OCoLC)1982298  aDLCcIDeKNdOCoLCdDLC00aQE75b.B9 no. 777  aQE445b.H8 19251 aHunter, John Frederick,d1888-1917.10aPre-Cambrian rocks of Gunnison river, Colorado,cby J. Frederick Hunter.  aWashington,bGovt. print. off.,c1925.  avi, 94 p.billus, xv pl. (incl. fold. map (in pocket))c23 cm.0 aU.S. Geological survey.  Bulletin 777  aAt head of title: Department of the interior.  aIssued also as thesis (Ph. D.) Johns Hopkins university, 1912.  aPlates printed on both sides. 0aGeologyzColoradozGunnison River Valley. 0aGeology, StratigraphicyPrecambrian.  c26415d26415