01025cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111042001200137050002300149082001400172100003800186245010800224260005000332300004600382410004700428500004900475500006200524504002800586650004900614740006700663999001700730gs 67000177 DLC20260227111420.0780712s1967    dcuab    b   f000 0 eng    ags 67000177   a(OCoLC)4047535  aDLCcOClUdOCoLCdDLC  apremarc00aQE75b.B9 no. 1227  a557.88/381 aBromfield, Calvin Stanton,d1923-10aGeology  of the Mount Wilson quadrangle, western San Juan Mountains, Colorado,cby Calvin S. Bromfield.  aWashington,bU.S. Govt.  Print.  Off.,c1967.  avi, 100 p.billus., maps (1 col.)c24 cm.20aGeological Survey (U.S.).tBulletin,v1227  aPart of illustrative matter fold. in pocket.  aPrepared on behalf of the U. S. Atomic Energy Commission.  aBibliography: p. 94-97. 0aGeologyzSan Juan Mountains (Colo. and N.M.)0 aMount Wilson quadrangle, western San Juan Mountains, Colorado.  c30319d30319