@misc{indiciaeab4673e5ec3a,
  title = {Presentation Showing Results of a Hydrogeochemical Investigation of the Standard Mine Vicinity, Upper Elk Creek Basin, Colorado},
  author = {Andrew H. Manning and Philip L. Verplanck and M. Alisa Mast and Richard B. Wanty},
  year = {2008},
  doi = {10.3133/ofr20081012},
  url = {https://pubs.usgs.gov/publication/ofr20081012},
  note = {Source identifier: ofr20081012}
}