@misc{indiciae96c413b4e636,
  title = {Map of the Berea sand of northern Ohio},
  author = {James F. Pepper and D. F. Demarest and Wallace de Witt and D.R. Holt and C.W. Merrels and G.M. Everhart and M.E. Galpin and V.M. Massarelli and G.E. Saam},
  year = {1945},
  doi = {10.3133/om39},
  url = {https://pubs.usgs.gov/publication/om39},
  note = {Source identifier: om39}
}