000 01135cam a22003131a 4500
001 gs 52000125
003 DLC
005 20260227111358.0
008 780629s1951 dcuab b f000 0 eng
010 _ags 52000125
035 _a(OCoLC)4017323
040 _aDLC
_cOClU
_dDNAL
_dDLC
050 0 0 _aQE75
_b.B9 no. 970
051 _aQE92.S8
_bS5
070 0 _a407
_bG29B no.970
072 0 _aX400
082 _a557.88
100 1 _aSingewald, Quentin D.
_q(Quentin Dreyer),
_d1902-
245 1 0 _aGeology and ore deposits of the upper Blue River area, Summit County, Colorado /
_cby Quentin D. Singewald.
260 _aWashington, [D.C.] :
_bU.S. G.P.O.,
_c1951.
300 _av, 74 p. :
_bill., maps ;
_c24 cm.
440 0 _aGeological Survey bulletin ;
_v970
500 _aSeven folded leaves in pocket.
500 _aPrepared in cooperation with the Colorado Geological Survey Board and the Colorado Metal Mining Fund.
504 _aBibliography: p. 72.
650 0 _aGeology
_zColorado
_zSummit County.
650 0 _aOre deposits
_zColorado
_zSummit County.
650 0 _aMines and mineral resources
_zColorado
_zSummit County.
999 _c28637
_d28637