@misc{indiciae158f1fd3e9bd,
  title = {Oil and gas resource assessment areas, U. S. Geological Survey, Geologic Division, 1980: Alaska, regions 1 and 1A},
  author = {K. L. Varnes and R. H. McMullin},
  year = {1981},
  doi = {10.3133/ofr8184a},
  url = {https://pubs.usgs.gov/publication/ofr8184A},
  note = {Source identifier: ofr8184A}
}