Latitude: 37.76297 ; Longitude: -122.379631 Donor's metadata notes: Bart Construction, Bethlehem Shipyard (near today's Crane Cove Park), Transbay Tube construction. Cement mixer truck, Rhodes & Jamieson Concrete loaded into the tubes on docks at the far east end of the shipyard that may no longer exist. 300 20th St., 94107