TY - RPRT TI - Water Resources Data for Colorado, Water Year 1976--Volume 1. Missouri River Basin, Arkansas River Basin, Rio Grande Basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1977 DO - 10.3133/wdrco761 UR - https://pubs.usgs.gov/publication/wdrCO761 ID - wdrCO761 ER -