@misc{indiciae5814521fb65d, title = {Land use and land cover and associated maps for San Luis Obispo, California}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1978}, doi = {10.3133/ofr781036}, url = {https://pubs.usgs.gov/publication/ofr781036}, note = {Source identifier: ofr781036} }