@misc{indiciaea22404144461,
  title = {Lithochronologic units and mineral deposits of the Appalachian Orogen from Maine to Alabama},
  author = {J. D. Peper and J. E. Gair and M. P. Foose and T. H. Kress and Connie Dicken},
  year = {2001},
  doi = {10.3133/ofr01136},
  url = {https://pubs.usgs.gov/publication/ofr01136},
  note = {Source identifier: ofr01136}
}