@misc{indiciae7eab01dbfdde,
  title = {Tetlin National Wildlife Refuge land cover mapping project users guide},
  author = {Carl J. Markon},
  year = {1987},
  doi = {10.3133/70159091},
  url = {https://pubs.usgs.gov/publication/70159091},
  note = {Source identifier: 70159091}
}