1. Map of Yosemite Valley, Yosemite National Park, California, Mariposa County / U.S. Geological Creator: Geological Survey (U.S.) Published / Created: [1918] Call Number: 844fcm Y83 1918 Container / Volume: BRBL_00615 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Map of Yosemite Valley, Yosemite National Park, California, Mariposa County / U.S. Geological Survey ; State of California ; E.M. Douglas, geographer ; R.B. Marshall, in charge of section ; topography by F.E. Matthes ; triangulation by C.F. Urquhart.