@misc{indiciae929524101509,
  title = {Geochemical analyses for gold and zinc of 137 stream-sediment samples from the John Muir Wilderness, California},
  author = {M. F. Diggles and David A. Dellinger and E. A. Du Bray},
  year = {1981},
  doi = {10.3133/ofr81254},
  url = {https://pubs.usgs.gov/publication/ofr81254},
  note = {Source identifier: ofr81254}
}