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<br /> <br />o <br /> <br />.- <br /> <br />N <br />C',J <br />C. <br />C~J <br /> <br />Ground-Water Resources <br />of the San Luis <br />Valley, Colorado <br /> <br />by <br />WILLIAM J. POWELL <br /> <br />GROUND-WATER SERIES <br />BULLETIN No. 3 <br /> <br />Prepared by the <br />COLORADO WATER CONSERVATION BOARD <br />and <br />THE U. S. GEOLOGICAL SURVEY <br />and <br />THE U. S. BUREAU OF RECLAMATION <br />DENVER. COLORADO <br /> <br />JUNE, 1958 <br />