@misc{indiciae518f03233d33,
  title = {Preliminary hydrography and historic terminal changes of Columbia Glacier, Alaska},
  author = {Austin S. Post},
  year = {1975},
  doi = {10.3133/ofr75491},
  url = {https://pubs.usgs.gov/publication/ofr75491},
  note = {Source identifier: ofr75491}
}