@misc{indiciaec2ee670a87b7,
  title = {Maps showing percent of sandstone and total thickness of sandstone in the Westwater Canyon and Brushy Basin Members of the Morrison Formation, San Juan Basin, New Mexico},
  author = {A. R. Kirk and S. M. Condon},
  year = {1989},
  doi = {10.3133/i1957b},
  url = {https://pubs.usgs.gov/publication/i1957B},
  note = {Source identifier: i1957B}
}