@misc{indiciae3d73dab1a5be,
  title = {Preliminary geologic map of the Indian Valley Quadrangle, Rio Blanco and Moffat counties, Colorado},
  author = {G. N. Pipiringos and G.C. Rosenlund},
  year = {1977},
  doi = {10.3133/mf836},
  url = {https://pubs.usgs.gov/publication/mf836},
  note = {Source identifier: mf836}
}