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.4 #795 Portion of gravel pits on Arizona side of the river, 11 miles above damsite. Hills in background are across the river in Nevada, 5 miles away. Jan. 16, 1932. p.4 #902 Close-up of drag line loading 30 cub yard Western side-dump car. Plymouth gasoline locomotive switching. Feb. 10, 1932. p.4 #906 Marion electric drag line with 5 cubic yard capacity bucket, loading gravel. Feb. 10, 1932. p.4 #904 First train loaded with gravel leaving gravel pits for screening plant. Feb. 10, 1932.