TY - RPRT TI - Water resources data, Colorado, water year 1981; Volume 2, Colorado River basin above Dolores River AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1981 DO - 10.3133/wdrco812 UR - https://pubs.usgs.gov/publication/wdrCO812 ID - wdrCO812 ER -