Keywords: 1854 Duval Public Survey Map of California - Geographicus - CA-ls-1854.jpg This magnificent map is one of the rarest and most sought after early Land Survey maps of California Dates to 1854 Formally titled Map of the Public Surveys in California to accompany the Report of the Surveyor General 1854 Prepared by P S Duval Company Steam Lithograph Press of Philadelphia PA Includes a wealth of detail indicating the extant of what we knew about Californian geography at the time Notes the massive Tulare Lake once the largest freshwater lake in North America practically a sea which has since been drained for irrigation purposes 1854 Size in 48 21 object history credit line accession number CA-ls-1854 Geographicus-source PD-art Old maps of California 1854 1854 maps California in the 1850s Surveying in the United States |