@misc{indiciaef89a60b80ff2,
  title = {Summary and interpretive geochemical maps of West Virginia},
  author = {K. C. Watts and M. E. Hinkle and W. R. Griffitts},
  year = {1994},
  doi = {10.3133/i2364c},
  url = {https://pubs.usgs.gov/publication/i2364C},
  note = {Source identifier: i2364C}
}