@misc{indiciae64e3220611be,
  title = {Depositional environments of the Eagle Sandstone, north-central Montana-- an aid for hydrocarbon exploration (modified from a talk presented to the Rocky Mountain Section AAPG-SEPM Meeting, Billings, Montana, March 30, 1976)},
  author = {Dudley D. Rice},
  year = {1976},
  doi = {10.3133/ofr76423},
  url = {https://pubs.usgs.gov/publication/ofr76423},
  note = {Source identifier: ofr76423}
}