01212cam a22003011a 4500001001300000003000400013005001700017008004100034010001700075035001900092040005300111042001200164050002400176070002200200072000900222082001100231100004800242245016000290260004400450300006200494440004900556500003600605500011800641504003000759500002000789650005100809650005000860gs 58000191 DLC20260227111406.0770106s1958    dcuabf   b   f001 0 eng c  ags 58000191   a(OCoLC)2663925  aU.S. Geol. Survey. Libr.cOOxMdDNALdOCoLCdDLC  apremarc00aTC801b.U2 no. 13790 a407bG29W no.1379 0aP200  a551.491 aPowell, William J.q(William James),d1921-10aGround-water resources of the San Luis Valley, Colorado /cby William J. Powell ; With a section on An inflow-outflow study of the area, by Philip B. Mutz.  aWashington, D.C. :bU.S. G.P.O.,c1958.  avii, 284 p., [3] leaves of plates :bill., maps ;c24 cm. 0aGeological Survey water-supply paper ;v1379  aTwelve folded leaves in pocket.  a"Prepared in cooperation with the Colorado Water Conservation Board and the United States Bureau of Reclamation."  aBibliography: p. 280-282.  aIncludes index. 0aWater-supplyzSan Luis Valley (Colo. and N.M.) 0aGroundwaterzSan Luis Valley (Colo. and N.M.)