Join us on Saturday April 16th at 3:30 pm (the last presentation of the day) at the Loggers Convention (Elks Lodge, Sonora) for Mark Francis' presentation "Empire - a preview of an upcoming book on the early history of Tuolumne County's lumber industry and its railroads". All Sierra registrants have free access to this presentation. Then on Sunday the 17th join us in Oakdale for a full day of activities devoted to researching and modeling the railroads of Tuolumne County. Read the details...