@misc{indiciaef4b6ab4aae3b,
  title = {Geology, structure, and thickness of hydrogeologic units in part of the Columbia Plateau, Oregon},
  author = {Joseph B. Gonthier},
  year = {1990},
  doi = {10.3133/wri864001},
  url = {https://pubs.usgs.gov/publication/wri864001},
  note = {Source identifier: wri864001}
}