The report provides an overview of water-resources data collection and hydrologic investigations in Colorado from October 1, 1980, to September 30, 1981. Most of the work is carried out in cooperation with 51 Federal, State, and local agencies. Data are being collected at 503 surface-water gaging stations, 161 surface-water quality stations, and 1,151 observation wells. Sixty-seven hydrologic investigations are underway and are described in the report by a map showing the location of the study area and a statement of the purpose, objective, approach, progress, and plans. Twelve of the investigations are statewide, 6 are regional, 9 are in the Missouri River basin, 8 in the Arkansas River basin, 6 in the Rio Grande basin, and 5 are multistate. Listed in the report are references to 9 data reports and 27 interpretive reports released or published in fiscal year 1980 as a result of water-resources investigations in Colorado. (USGS)
Additional publication details
USGS Numbered Series
Water-resources investigations of the U.S. Geological Survey in Colorado: fiscal year 1981
U.S. Geological Survey,
v, 136 p., 1 over-size sheet, scale 1:500,000 ;28 cm.