@misc{indiciae50bca91e012d, title = {Surface water supply of the United States, 1927, Part IX, Colorado River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1930}, doi = {10.3133/wsp649}, url = {https://pubs.usgs.gov/publication/wsp649}, note = {Source identifier: wsp649} }