Geologic Map of the Cerro Gordo Peak 7.5’ Quadrangle, Inyo County, California By Paul Stone 1 , George C. Dunne 2 , James E. Conrad 1 , Brian J. Swanson 3 , Calvin H. Stevens 4 , and Zenon C. Valin 1 Pamphlet to accompany Scientific Investigations Map 2851 1 U.S. Geological Survey, Menlo Park, California 2 California State University, Northridge, California 3 Allan E. Seward Engineering Geology Inc., Valencia, California 4 San Jose State University, San Jose, California 2004 U.S. Department of the Interior U.S. Geological Survey