@misc{indiciae91fbe9b1cafb,
  title = {Geologic map of the Avon SE quadrangle, Iron County, Utah},
  author = {J. Hoover Mackin and Peter D. Rowley},
  year = {1975},
  doi = {10.3133/gq1294},
  url = {https://pubs.usgs.gov/publication/gq1294},
  note = {Source identifier: gq1294}
}