@misc{indiciae6b07da2309d8, title = {Surface water supply of the United States, 1940, Part IX, Colorado River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1941}, doi = {10.3133/wsp899}, url = {https://pubs.usgs.gov/publication/wsp899}, note = {Source identifier: wsp899} }