@misc{indiciae781e6b0d7d09,
  title = {Surface water supply of the United States, 1910, Part V, Hudson Bay and upper Mississippi River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1912},
  doi = {10.3133/wsp285},
  url = {https://pubs.usgs.gov/publication/wsp285},
  note = {Source identifier: wsp285}
}