@misc{indiciae5c035258add9,
  title = {Map showing distribution, composition, and age of Late Cenozoic volcanic centers in Arizona and New Mexico},
  author = {R. G. Luedke and R. L. Smith},
  year = {1978},
  doi = {10.3133/i1091a},
  url = {https://pubs.usgs.gov/publication/i1091A},
  note = {Source identifier: i1091A}
}