@misc{indiciaeda9720b801ee,
  title = {Stromatolites of the Belt Series in Glacier National Park and Vicinity, Montana},
  author = {Richard Rezak},
  year = {1957},
  doi = {10.3133/pp294d},
  url = {https://pubs.usgs.gov/publication/pp294D},
  note = {Source identifier: pp294D}
}