@misc{indiciae95c43c6422a1,
  title = {Geology of the Washington East quadrangle, Pennsylvania},
  author = {Vernon Emanuel Swanson and Henry L. Berryhill},
  year = {1964},
  doi = {10.3133/gq334},
  url = {https://pubs.usgs.gov/publication/gq334},
  note = {Source identifier: gq334}
}