@misc{indiciaea6ec9fe7afad,
  title = {Reconnaissance for determining effects of land use and surficial geology on concentrations of selected elements on streambed materials from the coal-mining region, southwestern Indiana, October 1979 to March 1980},
  author = {W. G. Wilber and Rita R. Boje},
  year = {1982},
  doi = {10.3133/wri824013},
  url = {https://pubs.usgs.gov/publication/wri824013},
  note = {Source identifier: wri824013}
}