@misc{indiciaef29c40568eca,
  title = {Geology and coal resources of the Gulnare, Cuchara Pass, and Stonewall area, Huerfano and Las Animas Counties, Colorado},
  author = {Gordon H. Wood and Ross Byron Johnson and G. H. Dixon},
  year = {1956},
  doi = {10.3133/coal26},
  url = {https://pubs.usgs.gov/publication/coal26},
  note = {Source identifier: coal26}
}