@misc{indiciae150a17ac4176,
  title = {Land use and land cover, 1973-75, Clarksburg, West Virginia; Ohio; Pennsylvania},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/l110},
  url = {https://pubs.usgs.gov/publication/l110},
  note = {Source identifier: l110}
}