@misc{indiciae50c39e3ab231,
  title = {Analytical methods for the analysis of stream sediments and rocks from Wilderness Study Areas},
  author = {J.G. Crock and Paul H. Briggs and L. L. Jackson and F.E. Lichte},
  year = {1987},
  doi = {10.3133/ofr8784},
  url = {https://pubs.usgs.gov/publication/ofr8784},
  note = {Source identifier: ofr8784}
}