@misc{indiciaed1409d53f32b,
  title = {Gold-bearing gravel of the ancestral Yuba River, Sierra Nevada, California},
  author = {Warren E. Yeend},
  year = {1974},
  doi = {10.3133/pp772},
  url = {https://pubs.usgs.gov/publication/pp772},
  note = {Source identifier: pp772}
}