@misc{indiciae2fd28af4a0c3,
  title = {Side-looking airborne radar image map showing cross-strike structural discontinuities and lineaments of the central Appalachians},
  author = {C.S. Southworth},
  year = {1986},
  doi = {10.3133/mf1891},
  url = {https://pubs.usgs.gov/publication/mf1891},
  note = {Source identifier: mf1891}
}