@misc{indiciae44ead2088a43,
  title = {Analytical results and sample locality maps of stream-sediment and heavy-mineral-concentrate samples from the San Juan National Forest, Archuleta, Dolores, Hinsdale, La Plata, Mineral, Montezuma, Rio Grande, San Juan, and San Miguel Counties, Colorado},
  author = {Harlan N. Barton and D. L. Fey and J. M. Motooka and R. T. Hopkins},
  year = {1993},
  doi = {10.3133/ofr92709},
  url = {https://pubs.usgs.gov/publication/ofr92709},
  note = {Source identifier: ofr92709}
}