@misc{indiciaec04bde8be7e1,
  title = {Distribution and description of the geologic units in the Maltby Quadrangle, Washington},
  author = {James P. Minard},
  year = {1981},
  doi = {10.3133/ofr81100},
  url = {https://pubs.usgs.gov/publication/ofr81100},
  note = {Source identifier: ofr81100}
}