@misc{indiciaec46963f48635,
  title = {Residual aeromagnetic and interpretative maps of the Pueblo 1° x 2° quadrangle, south-central Colorado},
  author = {F. M. Boler and D. P. Klein},
  year = {1990},
  doi = {10.3133/i1419c},
  url = {https://pubs.usgs.gov/publication/i1419C},
  note = {Source identifier: i1419C}
}