1. Map of Yosemite Valley, Yosemite National Park, California, Mariposa County Yale Public content 1961. 2018-03-29T18:17:01Z. 2018-03-29T18:17:01Z. Geological Survey (U.S.). Interior, Geological Survey. English. cartographic image. Public. Yosemite Valley (Calif.), California, Mariposa County, Mariposa County., and Yosemite Valley.