@misc{indiciae867af4b391e6,
  title = {Digital geologic map of Spokane County and vicinity, Washington and Idaho},
  author = {Bruce R. Johnson and Pamela D. Derkey and Thomas P. Frost and Robert E. Derkey and Beatrice B. Lackaff},
  year = {1998},
  doi = {10.3133/ofr98503},
  url = {https://pubs.usgs.gov/publication/ofr98503},
  note = {Source identifier: ofr98503}
}