@misc{indiciaec44247e3757e, title = {Surface water supply of the United States, 1960, Part 5, Hudson Bay, Upper Mississippi River}, author = {E. L. Hendricks}, year = {1962}, doi = {10.3133/wsp1708}, url = {https://pubs.usgs.gov/publication/wsp1708}, note = {Source identifier: wsp1708} }