TY - RPRT TI - Compilation of records of surface waters of the United States through September 1950: Part 9. Colorado River basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1954 DO - 10.3133/wsp1313 UR - https://pubs.usgs.gov/publication/wsp1313 ID - wsp1313 ER -