@misc{indiciae142dc300d519,
  title = {Gravity, magnetic, and seismic studies of the Silver Cliff and Rosita Hills volcanic area, Colorado},
  author = {M. Dean Kleinkopf and Donald L. Peterson and Robert E. Mattick},
  year = {1979},
  doi = {10.3133/pp726f},
  url = {https://pubs.usgs.gov/publication/pp726F},
  note = {Source identifier: pp726F}
}