@misc{indiciaef2c921a1b947,
  title = {Preliminary Image Map of the 2007 Slide Fire Perimeter, Butler Peak Quadrangle, San Bernardino County, California},
  author = {Perry S. Clark and Wendy S. Scratch and Gaylord W. Bias and Gregory B. Stander and Jenne L. Sexton and Bridgette J. Krawczak},
  year = {2008},
  doi = {10.3133/ofr20081034},
  url = {https://pubs.usgs.gov/publication/ofr20081034},
  note = {Source identifier: ofr20081034}
}