@misc{indiciaed1c368af6f9d,
  title = {Composition and morphology of ferromanganese coatings on glacial erratics in Lydonia Canyon, United States East Coast},
  author = {L. J. Poppe and Dennis W. O’Leary and R.F. Commeau},
  year = {1985},
  doi = {10.1007/bf02233938},
  url = {https://pubs.usgs.gov/publication/70012927},
  note = {Source identifier: 70012927}
}