@misc{indiciae697373203851,
  title = {A reconnaissance geochemical survey of the Clarion River Roadless Area, Allegheny National Forest, Elk County, Pennsylvania},
  author = {N. L. Hickling and Stanley P. Schweinfurth and Betty M. Adrian},
  year = {1983},
  doi = {10.3133/ofr8322},
  url = {https://pubs.usgs.gov/publication/ofr8322},
  note = {Source identifier: ofr8322}
}