@misc{indiciaee97392f8b4f0,
  title = {Stratigraphy and lithocorrelation of the Snowslip Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana},
  author = {James W. Whipple and Sue N. Johnson},
  year = {1988},
  doi = {10.3133/b1833},
  url = {https://pubs.usgs.gov/publication/b1833},
  note = {Source identifier: b1833}
}