1. Geologic map of Desert Creek Peak quadrangle, Lyon and Douglas counties, Nevada, and Mono County, California Yale Public content 1989. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Nevada, Lyon County, Douglas County, California, and Mono County.