@misc{indiciae080200328acc, title = {Surface water supply of the United States, 1944, Part V, Hudson Bay and upper Mississippi River basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1946}, doi = {10.3133/wsp1005}, url = {https://pubs.usgs.gov/publication/wsp1005}, note = {Source identifier: wsp1005} }