@misc{indiciaea8d1147a8cad,
  title = {Structure contour map of the Pend Oreille and Grandview mines area, Metaline mining district, Pend Oreille County, Washington},
  author = {McClelland G. Dings},
  year = {1956},
  doi = {10.3133/ofr5637},
  url = {https://pubs.usgs.gov/publication/ofr5637},
  note = {Source identifier: ofr5637}
}