@misc{indiciae0f277d082308,
  title = {Surficial geologic map of the Gap SW Quadrangle, Campbell County, Wyoming},
  author = {D. S. Fullerton and R. M. Kirkham},
  year = {1977},
  doi = {10.3133/mf896},
  url = {https://pubs.usgs.gov/publication/mf896},
  note = {Source identifier: mf896}
}