@misc{indiciae3ac4cb95ff08,
  title = {The weathering of sulfide ores in Shasta County, California, and its relationship to pollution associated with acid mine drainage},
  author = {Robert W. Potter},
  year = {1976},
  doi = {10.3133/ofr76395},
  url = {https://pubs.usgs.gov/publication/ofr76395},
  note = {Source identifier: ofr76395}
}