@misc{indiciae4e9ddfd9754a,
  title = {Summary of economic geology data for the Glacier Peak Wilderness, Chelan, Snohomish, and Skagit counties, Washington},
  author = {A.R. Grant},
  year = {1982},
  doi = {10.3133/ofr82408},
  url = {https://pubs.usgs.gov/publication/ofr82408},
  note = {Source identifier: ofr82408}
}