@misc{indiciaebd7997b0ad46,
  title = {Land-subsidence measurements and aquifer-compaction monitoring in Tucson Basin and Avra Valley, Arizona},
  author = {H. H. Schumann and S. R. Anderson},
  year = {1988},
  doi = {10.3133/wri884167},
  url = {https://pubs.usgs.gov/publication/wri884167},
  note = {Source identifier: wri884167}
}