. Reports of the Department of the Interior for the Fiscal Year ended June 30, 1917. w o3 ^ fg gJb£|ss Ig^Sgi. IsSsS THIRTY-EIGHTH REPORT OF GEOLOGICAL SURVEY. 497 DIVISION OF GROUND OF WORK. The work of the division of ground waters comprises investigationsof the occurrence and quality of waters below the surface of theground and of methods of recovering and utilizing such of the work has been done in the arid and semiarid States of theWest, where interest in irrigation with ground water is great andwhere prospects for considerable increase in areas thus irrigated are
. Reports of the Department of the Interior for the Fiscal Year ended June 30, 1917. w o3 ^ fg gJb£|ss Ig^Sgi. IsSsS THIRTY-EIGHTH REPORT OF GEOLOGICAL SURVEY. 497 DIVISION OF GROUND OF WORK. The work of the division of ground waters comprises investigationsof the occurrence and quality of waters below the surface of theground and of methods of recovering and utilizing such of the work has been done in the arid and semiarid States of theWest, where interest in irrigation with ground water is great andwhere prospects for considerable increase in areas thus irrigated arefavorable. Nearly 40 investigations of ground water or quality of water (in-cluding the reports in press) were in progress in the course of theyear, covering areas in Alaska, Arizona, California, Connecticut,Mississippi, Montana, Nebraska, Nevada, New Mexico, South Caro-lina, South Dakota, Texas, Utah, Washington, and Wyoming. Ofthese investigations six were conducted in cooperation with thegeologic branch of this Survey, one was made for the War De-partment, one for the Department of Justice, one for the
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