@misc{indiciaeb6dfce61db0a,
  title = {Principal facts for gravity stations in parts of Grand, Clear Creek, and Summit counties, Colorado},
  author = {G. A. Abrams and C. Moss and R.A. Martin and M. Brickey},
  year = {1982},
  doi = {10.3133/ofr82950},
  url = {https://pubs.usgs.gov/publication/ofr82950},
  note = {Source identifier: ofr82950}
}