@misc{indiciae38af8a5112f8, title = {Preliminary photointerpretation map of landslide and other surficial deposits of the Livermore and part of the Hayward 15-minute quadrangles, Alameda and Contra Costa Counties, California}, author = {T. H. Nilsen}, year = {1973}, doi = {10.3133/mf519}, url = {https://pubs.usgs.gov/publication/mf519}, note = {Source identifier: mf519} }