@misc{indiciaec892e60b80f8,
  title = {Surficial geologic map of the Gap Quadrangle, Campbell County, Wyoming},
  author = {D. S. Fullerton and R. M. Kirkham},
  year = {1977},
  doi = {10.3133/mf897},
  url = {https://pubs.usgs.gov/publication/mf897},
  note = {Source identifier: mf897}
}