@misc{indiciaef7233b6d12e8,
  title = {GIS database development to analyze fire history in southern Arizona and beyond: an example from Saguaro National Park},
  author = {P.J. Swantek and W. L. Halvorson and C.R. Schwalbe},
  year = {1999},
  doi = {10.3133/2002276},
  url = {https://pubs.usgs.gov/publication/2002276},
  note = {Source identifier: 2002276}
}