@misc{indiciae48d8e1e6d987,
  title = {Geologic sketches of Many Glacier, Hidden Lake Pass, Comeau Pass, and Bears Hump Viewpoint, Waterton-Glacier International Peace Park, Alberta, Canada and Montana, United States},
  author = {T. R. Alpha and W. H. Nelson},
  year = {1990},
  doi = {10.3133/i1508e},
  url = {https://pubs.usgs.gov/publication/i1508E},
  note = {Source identifier: i1508E}
}