@misc{indiciae10b0eed4c5ff,
  title = {Leasable mineral and waterpower land classification map of the Delta quadrangle, Utah},
  author = {Eileen M. Pera and J. E. Smedley and W. F. Burns},
  year = {1977},
  doi = {10.3133/ofr77627},
  url = {https://pubs.usgs.gov/publication/ofr77627},
  note = {Source identifier: ofr77627}
}