@misc{indiciae4d295fe8aa42,
  title = {Stratigraphy of the Morrison formation in part of northwestern New Mexico},
  author = {Val L. Freeman and Lowell S. Hilpert},
  year = {1956},
  doi = {10.3133/b1030j},
  url = {https://pubs.usgs.gov/publication/b1030J},
  note = {Source identifier: b1030J}
}