@misc{indiciaef4ff9a3e1ff6, title = {Surface water supply of the United States, 1941, Part IX, Colorado River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1942}, doi = {10.3133/wsp929}, url = {https://pubs.usgs.gov/publication/wsp929}, note = {Source identifier: wsp929} }