@misc{indiciae76bd1f68febe,
  title = {Gold content of natural waters in Colorado},
  author = {Arthur W. Gosling and E. A. Jenne and T. T. Chao},
  year = {1971},
  doi = {10.2113/gsecongeo.66.2.309},
  url = {https://pubs.usgs.gov/publication/70227275},
  note = {Source identifier: 70227275}
}