@misc{indiciaecbfb308414b1,
  title = {Summary report on the geology and mineral resources of the Great Swamp National Wildlife Refuge, New Jersey},
  author = {James P. Minard},
  year = {1967},
  doi = {10.3133/b1260e},
  url = {https://pubs.usgs.gov/publication/b1260E},
  note = {Source identifier: b1260E}
}