@misc{indiciae57bc05f6ff00,
  title = {Maps showing locations of holes drilled in 1948 and 1949 by U.S. Geological Survey, Calamity Mesa, Mesa County, Colorado},
  author = {Harold K. Stager},
  year = {1969},
  doi = {10.3133/ofr69265},
  url = {https://pubs.usgs.gov/publication/ofr69265},
  note = {Source identifier: ofr69265}
}