01241cam a22003131a 4500 gs 58000191 DLC 20260227111406.0 770106s1958 dcuabf b f001 0 eng c gs 58000191 (OCoLC)2663925 U.S. Geol. Survey. Libr. OOxM DNAL OCoLC DLC premarc TC801 .U2 no. 1379 407 G29W no.1379 P200 551.49 Powell, William J. (William James), 1921- Ground-water resources of the San Luis Valley, Colorado / by William J. Powell ; With a section on An inflow-outflow study of the area, by Philip B. Mutz. Washington, D.C. : U.S. G.P.O., 1958. vii, 284 p., [3] leaves of plates : ill., maps ; 24 cm. Geological Survey water-supply paper ; 1379 Twelve folded leaves in pocket. "Prepared in cooperation with the Colorado Water Conservation Board and the United States Bureau of Reclamation." Bibliography: p. 280-282. Includes index. Water-supply San Luis Valley (Colo. and N.M.) Groundwater San Luis Valley (Colo. and N.M.) 29256 29256