@misc{indiciae63a58684db8d,
  title = {Microfilmed well logs of the northern Appalachian basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1959},
  doi = {10.3133/ofr59117},
  url = {https://pubs.usgs.gov/publication/ofr59117},
  note = {Source identifier: ofr59117}
}