@misc{indiciae69327448ec7e,
  title = {Surficial geologic map of the Piney Canyon NW Quadrangle, Campbell County, Wyoming},
  author = {D. A. Coates},
  year = {1978},
  doi = {10.3133/mf955},
  url = {https://pubs.usgs.gov/publication/mf955},
  note = {Source identifier: mf955}
}