@misc{indiciaecbe19ea61d76,
  title = {Aeromagnetic map of West Virginia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/gp921},
  url = {https://pubs.usgs.gov/publication/gp921},
  note = {Source identifier: gp921}
}