@misc{indiciae9027900f7015,
  title = {Preliminary geologic map and coal deposits of the northwest quarter of the Nipple Butte quadrangle, Kane County, Utah},
  author = {H.A. Waldrop and Robert L. Sutton},
  year = {1966},
  doi = {10.3133/ofr66149},
  url = {https://pubs.usgs.gov/publication/ofr66149},
  note = {Source identifier: ofr66149}
}