@misc{indiciae055e49312ab2, title = {Surface water supply of the United States, 1960 Part 6-B, Missouri River basin below Sioux City, Iowa}, author = {E. L. Hendricks}, year = {1961}, doi = {10.3133/wsp1710}, url = {https://pubs.usgs.gov/publication/wsp1710}, note = {Source identifier: wsp1710} }