@misc{indiciae19993a56203f,
  title = {The association of geochemical anomalies with a negative gravity anomaly in the Chief Mountain-Soda Creek area, Clear Creek County, Colorado},
  author = {G.C. Curtin and H. D. King},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70232490},
  note = {Source identifier: 70232490}
}