@misc{indiciaea7dc6771d1d3,
  title = {Geology of the Varney and Cameron quadrangles, Madison County, Montana, with a chapter on paleontology and correlation of the Madison Group on Baldy Mountain},
  author = {Jarvis B. Hadley and William Jasper Sando and J. Thomas Dutro},
  year = {1980},
  doi = {10.3133/b1459},
  url = {https://pubs.usgs.gov/publication/b1459},
  note = {Source identifier: b1459}
}