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<br />C": <br />!f') <br /> <br />'- <br /> <br />... <br /> <br />T,.,' ,,'_ <br /> <br />''';''' SOURCES OF POTABLE WATER SUPPLIES FOR THE U.S. NATIONAL PARK <br />SERVICE RECREATION AREA, CRAWFORD DAM AND RESERVOIR SITE, <br />DELTA COUNTY, COLORADO <br /> <br />By <br />M. E. Broom <br />Geologist <br /> <br />INTRODUCTION <br /> <br />At the request of the U.S. National Park Service, <br />the U.S. Geological Survey made a study of sources of <br />potable water supplies for the Park Service recreation <br />area at the Crawford Dam and Reservoir site in Delta <br />County, Colo. The dam and reservoir site is in the <br />upper Smith Fork drainage basin, along Iron Creek. The <br />damsite is about 1 mile south of the confluence of Iron <br />Creek and the Smith Fork; the reservoir site extends <br />l~ miles upstream from the damsite and will be about <br />half a mile wide. The Park Service will develop a <br />recreation area on the east side of the reservoir, along <br />State Highway 92, about a mile south of Crawford. (See <br />fig. 1.) <br /> <br />The purpose of the study was to determine the <br />possibility of developing a ground-water supply for <br />utility and drinking purposes at the recreation area. <br />The availability and quality of other possible water <br />sources also were noted. <br /> <br />Results of the study indicate that suitable water <br />supplies can be developed from (1) ground water in the <br />underlying Dakota Sandstone at the recreation area; (2) <br />water in the Smith Fork upstream from the Iron Creek <br />confluence; and (3) springs in Gunnison National Forest, <br />several miles east of the recreation area. <br /> <br />Ground water in the study area is relatively <br />undeveloped. However, the Bud King Construction Co. <br />has recently constructed a well which taps the Dakota <br />Sandstone at the Crawford Reservoir site. The well <br />yields 15 gpm (gallons per minute), and the water is <br />used for domestic and construction purposes. It is <br />referred to as the "King well" in this report. <br /> <br />, <br />