@misc{indiciae9f1cc932e089,
  title = {Sediment-filled pots in upland gravels of Maryland and Virginia},
  author = {Louis C. Conant and Robert F. Black and John W. Hosterman},
  year = {1976},
  url = {https://pubs.usgs.gov/publication/70232732},
  note = {Source identifier: 70232732}
}