@misc{indiciaec0b4a643769e,
  title = {Residual Bouguer gravity 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/i1419b},
  url = {https://pubs.usgs.gov/publication/i1419B},
  note = {Source identifier: i1419B}
}