Deafy Glade Land Exchange Act - Directs the Secretary of Agriculture to convey to Solano County, California, all right, title, and interest of the United States in and to the parcel of approximately 82 acres of land in the Mendocino National Forest and known as the Fouts Springs Ranch, as depicted on the map entitled "Fouts Springs-Deafy Glade Federal and Non-Federal Lands" and dated July 17, 2008, if the county conveys to the Secretary all right, title, and interest of the county in and to four parcels of land comprising approximately 160 acres as identified on such map.