@misc{indiciae34e99233c008,
  title = {Carbonate rocks of Cambrian and Ordovician age, Northampton and Bucks Counties, eastern Pennsylvania, and Warren and Hunterdon Counties, western New Jersey},
  author = {Avery Drake},
  year = {1965},
  doi = {10.3133/b1194l},
  url = {https://pubs.usgs.gov/publication/b1194L},
  note = {Source identifier: b1194L}
}