@misc{indiciae83693dd4cded,
  title = {The Shawangunk and Martinsburg Formations revisited; sedimentology, stratigraphy, mineralogy, geochemistry, structure and paleontology},
  author = {H. R. Feldman and Jack B. Epstein and John A. Smoliga},
  year = {2009},
  url = {https://pubs.usgs.gov/publication/70231371},
  note = {Source identifier: 70231371}
}