TY - RPRT TI - Water resources data for Colorado, water year 1975; Volume 2, Colorado River basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1977 DO - 10.3133/wdrco752 UR - https://pubs.usgs.gov/publication/wdrCO752 ID - wdrCO752 ER -