@misc{indiciae4c8cc034e808,
  title = {Map showing distribution of moraines and extent of glaciers from the mid-19th century to 1979 in the Mount Jackson area, Glacier National Park, Montana},
  author = {P. E. Carrara and R. G. McGimsey},
  year = {1988},
  doi = {10.3133/i1508c},
  url = {https://pubs.usgs.gov/publication/i1508C},
  note = {Source identifier: i1508C}
}