@misc{indiciaed248c5df94b4, title = {Surface water supply of the United States, 1929, Part V, Hudson Bay and upper Mississippi River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1932}, doi = {10.3133/wsp685}, url = {https://pubs.usgs.gov/publication/wsp685}, note = {Source identifier: wsp685} }