@misc{indiciae0b4c4ff55b5a,
  title = {Land use and land cover maps for Pigeon Point, California},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1978},
  doi = {10.3133/ofr78742},
  url = {https://pubs.usgs.gov/publication/ofr78742},
  note = {Source identifier: ofr78742}
}