@misc{indiciae96b9e57619b2,
  title = {Preliminary photointerpretation map of landslide and other surficial deposits of parts of the Altamont and Carbona 15-minute quadrangles, Alameda County, California},
  author = {T. H. Nilsen},
  year = {1972},
  doi = {10.3133/mf321},
  url = {https://pubs.usgs.gov/publication/mf321},
  note = {Source identifier: mf321}
}