@misc{indiciaebd6888ef28a6,
  title = {Improved stability of a deeply anchored geodetic monument for deformation monitoring},
  author = {John O. Langbein and Frank Wyatt and Hadley O. Johnson and Duane Hamann and Paul Zimmer},
  year = {2012},
  doi = {10.1029/95gl03325},
  url = {https://pubs.usgs.gov/publication/70246539},
  note = {Source identifier: 70246539}
}