@misc{indiciae6170240387f1,
  title = {Surface water supply of the United States, 1945, Part V, Hudson Bay and upper Mississippi River basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1948},
  doi = {10.3133/wsp1035},
  url = {https://pubs.usgs.gov/publication/wsp1035},
  note = {Source identifier: wsp1035}
}