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Drawbridge: The San Francisco Bay Area's Only Ghost Town Tucked away within the marshes of the San Francisco Bay lies the remnants of Drawbridge, a settlement that once served as a vital ...
Read Drawbridge: The San Francisco Bay Area's Only Ghost TownCalifornia Tunnels: A Survey of Historic Rail and Road Infrastructure From the rugged peaks of the Sierra Nevada to the urban sprawl of Los Angeles, tunnels have played a critical role in...
Read California Tunnels: A Survey of Historic Rail and Road InfrastructureUnion Pacific Railroad: A Legacy of American Transcontinental Freight The Union Pacific Railroad (reporting marks UP, UPP, UPY) stands as a titan of American infrastructure. As a Class I ...
Read Union Pacific Railroad: A Legacy of American Transcontinental Freight