@misc{indiciae4e4b449ba108,
  title = {The distribution of several types of Berea sand in West Virginia, eastern Ohio, and western Pennsylvania},
  author = {Gordon Rittenhouse},
  year = {1946},
  doi = {10.3133/om58},
  url = {https://pubs.usgs.gov/publication/om58},
  note = {Source identifier: om58}
}