TY - BOOK AU - Powell,William J. TI - Ground-water resources of the San Luis Valley, Colorado AV - TC801 .U2 no. 1379 U1 - 551.49 PY - 1958/// CY - Washington, D.C. PB - U.S. G.P.O. KW - Water-supply KW - San Luis Valley (Colo. and N.M.) KW - Groundwater N1 - Twelve folded leaves in pocket; "Prepared in cooperation with the Colorado Water Conservation Board and the United States Bureau of Reclamation."; Includes index; Bibliography: p. 280-282 ER -