Water-resources investigations of the U.S. Geological Survey in Colorado consist of collecting water-resources data and conducting interpretive hydrologic investigations. The water-resources data and the results of the investigations are published or released by either the U.S. Geological Survey or by cooperating agen-cies. This report describes the water-resources investigations in Colorado for the 1979 fiscal year (October 1, 1978, to September 30, 1979).
The U.S. Geological Survey's investigations of the water resources of Colo-rado are under the direction of James F. Blakey, District Chief. The Colorado District office is located in Building 53, Denver Federal Center, Lakewood, Colo. (fig. 1). The Colorado District has four subdistrict offices located in Grand Junction, Lakewood, Meeker, and Pueblo (fig. 1).