50.1, image 1 (loose image)Unidentified desert. (Photo mounted on page is labeled as 50 #1 (50.1, image 2). Photo with description matching the online inventory is in a separate photo sleeve.; 50.2 A mule train pulling three wagons.; 50.3 Four unidentified people standing in a river or lake.; 50.4 Unidentified desert with house in background.; 50.5 Four unidentified people standing in a river or lake.; 50.6 Unidentified desert. Loose photo of several people standing behind a bi-wing plane found between pages 49 and 50. Back of the photo is labeled as 63 3, however page 63 has all photos accounted for.

p.5 #948 Foundations for the trash rack structure being installed in front of upper portal of Diversion Tunnel no.2. This is where the first pay concrete was poured. Mar. 7, 1932. p.5 #943 View of gravel plant, showing live storage of screened aggregate and sand in foreground. Storage pile for raw aggregate in background. Mar. 2, 1932. p.5 #951 Upper portals of Diversion Tunnels No.1 and 2. Note workmen scaling above portal of Diversion tunnel No.1. Mar. 7, 1932. p.5 #937 Night view of gravel plant, taken near first scalping screen, and looking in opposite direction than the view on left. Feb. 26, 1932.