@misc{indiciae6f96e2c98262,
  title = {Surface water supply of the United States, 1958, Part 5, Hudson Bay and upper Mississippi River basins},
  author = {J. V. B. Wells},
  year = {1960},
  doi = {10.3133/wsp1558},
  url = {https://pubs.usgs.gov/publication/wsp1558},
  note = {Source identifier: wsp1558}
}