TY - RPRT TI - Water resources data for Colorado, water year 1973; Part 1, Surface water records AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1974 DO - 10.3133/wdrco731 UR - https://pubs.usgs.gov/publication/wdrCO731 ID - wdrCO731 ER -