1. California, Sonora quadrangle : land classification and density of standing timber Yale Public content 1900. 2002-06-25T04:00:00Z. 2011-03-23T17:28:32Z. Geological Survey (U.S.). The Survey, Julius Bien & Co.). English. Public. California, Tuolumne County, Mariposa County, Merced County, and Stanislaus County.