@misc{indiciaede4ffbc7e7b8,
  title = {Map showing distribution of ultramafic and intrusive mafic rocks from northern New Jersey to eastern Alabama},
  author = {D. M. Larrabee},
  year = {1966},
  doi = {10.3133/i476},
  url = {https://pubs.usgs.gov/publication/i476},
  note = {Source identifier: i476}
}