Photograph of a view of the excavation of Arroyo Seco Drive south of Avenue Forty-Nine, March 6, 1934. A deep, wide ditch is at center and dozens of workers are excavating at the bottom. A narrow stream runs along the bottom of the ditch at left. Crude wooden planks lead from the top of the ditch to the bottom. Several buildings can be seen in the distance at left, while a copse of tall trees is visible at right.
Photograph of a view of Arroyo Seco at Avenue 52 before installation of channel, ca.1930. The shallow creek runs from the foreground at right to the background at center. The narrow Avenue 52 bridge crosses it in the background. Tall trees and bushes line both sides of the creek, and several small buildings can be seen on the bank at right.
Photograph of the Arroyo Seco channel, looking north from a point 600 feet south of San Rafael Avenue near Rose Bowl, 1936. The channel curves from the foreground at left towards the background at right and has a small amount of water in it. In the background at right, several workers can be seen on the bank of the river. Tall trees are visible at right, while a brushy mountain is visible in the background at left.