@misc{indiciae8448cb07ee11,
  title = {Geodetic survey stations near Mount Spurr volcano Alaska},
  author = {Rod S. March and L.R. Mayo and Dennis C. Trabant},
  year = {1986},
  doi = {10.3133/ofr86137},
  url = {https://pubs.usgs.gov/publication/ofr86137},
  note = {Source identifier: ofr86137}
}