@misc{indiciaeba627cc2376b,
  title = {Digital geologic map of the Spokane 1:100,000 quadrangle, Washington and Idaho: A digital database for the 1990 N.L. Joseph map},
  author = {Bruce R. Johnson and Pamela D. Derkey},
  year = {1998},
  doi = {10.3133/ofr98115},
  url = {https://pubs.usgs.gov/publication/ofr98115},
  note = {Source identifier: ofr98115}
}