@misc{indiciae39807fc2585a,
  title = {Analyses of stream sediment, soil, and rock samples from New River Gorge area, Fayette, Raleigh, and Summers counties, West Virginia},
  author = {David F. Siems and Craig A. Curtis and Jerry M. Motooka and Steven K. McDanal},
  year = {1977},
  doi = {10.3133/ofr7788},
  url = {https://pubs.usgs.gov/publication/ofr7788},
  note = {Source identifier: ofr7788}
}