Black and white photograph of a group of tourists posing in front of the U.S. Grant Tree in the Mariposa Grove, within Yosemite National Park, circa 1880. Roger Larson Collection (97-01-17(592)), California State Archives.
Portion of map of Yosemite Valley filed with the California Secretary of State in 1907, based on a 1905-1906 survey conducted jointly between the U.S. Geological Survey and the Geological Survey of California. California Secretary of State Records, Filed Documents, Maps and Plans (MC2:4-9), California State Archives.