Image #426 (4.5" x 2.75"): "6-12-29. West cantilever arm complete to L16 U17 and hangers U17 L17 for support of suspended span erected, together with joint L17."; Image #427 (4.5" x 2.75"): "6-12-29. Joint U17 with dummy extension carrying 10" pin hole for jacking pin, etc., for controlling cantilever erection of the suspended span. (Geo. Schnell)."; Image #428 (4.5" x 2.75"): "6-12-29. Portal at entrance to the west anchor arm. Deck truss span 6 in foreground."