Image #474 (4.5" x 2.75"): "6-21-29. Erecting the last bottom chord section L19' L21', north truss, east half of suspended span."; Image #475 (2.75" x 4.5"): "6-21-29. Connecting the closing bottom chord at L21'."; Image #476 (2.75" x 4.5"): "6-21-29. Closing B.C. joint L21'. Note 6" [diameter] pin and slotted hole with 7" movement for adjustment, temperature, etc.";Three 4.5" x 2.75" B/W photos numbered 474, 475, 476
Image #471 (2.75" x 4.5"): "Progress. Ready to place the last 87 1/6" bottom chord section."; Image #472 (2.75" x 4.5"): "6-21-29. Ready for the last or closing bottom chord sections."; Image #473 (4.5" x 2.75"): "6-21-29. From below. West cantilever, below. East cantilever, above.";Three 4.5" x 2.75" B/W photos numbered 471, 472, 473
Image #477 (2.75" x 4.5"): "6-21-29. U22 L22 = CL [center line] of span. Closing bottom chord, north truss, in place."; Image #478 (2.75" x 4.5"): "6-21-29. Progress."; Image #479 (2.75" x 4.5"): "6-22-29. Driving pin in L21 - East (See 476). This pin was later removed so that no shear could be transferred between the two cantilevers."; Image #480 (2.75" x 4.5"): "6-22-29. Both closing bottom chords in place, and pins driven, but not yet connected to hangers. See 482.";Four 4.5" x 2.75" B/W photos numbered 477, 478, 479, 480
Image #467 (2.75" x 4.5"): "6-20-29. E.L.D.'s favorite view. See also Nos. 174, 364, 444, 494, 554, and 571."; Image #468 (2.75" x 4.5"): "6-20-29. Progress."; Image #469 (2.75" x 4.5"): "6-20-29. Deck of west cantilever arm. G.R. Bullard, H.J. Stetina."; Image #470 (2.75" x 4.5"): "6-21-29. Looking down on anchorage lighter for mooring other lighters. Four anchors controlled by steam hoist.";Four 4.5" x 2.75" B/W photos numbered 467, 468, 469, 470
