@misc{indiciae8d15a50e660a, title = {Land use and land cover, 1976-77, San Francisco, California}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1981}, doi = {10.3133/l164}, url = {https://pubs.usgs.gov/publication/l164}, note = {Source identifier: l164} }