@misc{indiciae8776c48a2486,
  title = {Stratigraphic notes, 1992: Four short papers propose changes in stratigraphic nomenclature in Vermont, Virginia, Maryland, and the District of Columbia},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1994},
  doi = {10.3133/b2060},
  url = {https://pubs.usgs.gov/publication/b2060},
  note = {Source identifier: b2060}
}