Roll 2 No. 6 - Klamath Project. Note that horizontal construction joint is badly weathered. As in "A" Canal concrete lining shown in previous pictures, horizontal joint [...]

Roll 2 No. 7 - Klamath Project. Four-inch concrete lining placed in 1940. Sections 10 feet, with plain joints slightly opened. Concrete in excellent condition; October [...]

KP-1737-R2 - Klamath Project. Picture taken at approximate Sta. 604 - 75 ft. downstream from end of flume section. Sections 10' with marked joints. Note severe cracking[...]

Roll 1 No. 8 - Klamath Project. "A" Canal 2-inch gunite lined section, showing exposed wire mesh, vertical crack heaving and completely disintegrated lining. Gunite at bo[...]

KP-1732-R2 - Klamath Project. "A" Canal 2-inch gunite lining at approximately Sta. 232, illustrating exposed wire-mesh reinforcing. Note upheaval and lateral slippage due[...]

KP-1731-R2 - Klamath Project. "A" Canal 2-inch gunite lining between Stations 227-00 and 233-00 placed in 1926, showing the cracks in the lining; October 18, 1948; Photo [...]

KP-1733-R2 - Klamath Project. Picture at approximate Sta. 460-50 shows bulging and fracturing of lining due to expansion; October 18, 1948; Photo by H. F. Tolley

Roll 2 No. 1 - Klamath Project; October 19, 1948; Photo by H. F. Tolley

Roll 2 No. 2 - Klamath Project; October 19, 1948; Photo by H. F. Tolley

Roll 3 No. 7 - Klamath Project. Note large hole, with earth backing of panels washed out. Surface of concrete completely gone; October 20, 1948; Photo by H. F. Tolley