@misc{indiciaeffc034a027c7,
  title = {Surface water supply of the United States, 1923, Part I, North Atlantic slope basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1925},
  doi = {10.3133/wsp561},
  url = {https://pubs.usgs.gov/publication/wsp561},
  note = {Source identifier: wsp561}
}