@misc{indiciaecf2df228181d,
  title = {Map showing land use and land cover in San Mateo County, California},
  author = {E.C. Napier and J. B. Perkins and Roberta Moreland and R. K. Mark and E. E. Brabb},
  year = {1992},
  doi = {10.3133/i1257l},
  url = {https://pubs.usgs.gov/publication/i1257L},
  note = {Source identifier: i1257L}
}