@misc{indiciae8acf9404ff1f, title = {Land use and land cover, 1976-77, San Gregorio, California}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1978}, doi = {10.3133/ofr78741}, url = {https://pubs.usgs.gov/publication/ofr78741}, note = {Source identifier: ofr78741} }