@misc{indiciae7d1174aeac21,
  title = {Surface water supply of the United States, 1941, Part I, North Atlantic slope basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1943},
  doi = {10.3133/wsp921},
  url = {https://pubs.usgs.gov/publication/wsp921},
  note = {Source identifier: wsp921}
}