@misc{indiciae8c1d9ec1e0f8,
  title = {Early pennsylvanian currents in the southern Appalachian Mountains},
  author = {J. Schlee},
  year = {1963},
  doi = {10.1130/0016-7606(1963)74[1439:epcits]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70221118},
  note = {Source identifier: 70221118}
}