@misc{indiciae80b99f6a4807,
  title = {Map showing engineering characteristics of geologic materials, western Whatcom County, Washington},
  author = {D. J. Easterbrook},
  year = {1976},
  doi = {10.3133/i854d},
  url = {https://pubs.usgs.gov/publication/i854D},
  note = {Source identifier: i854D}
}