Go to main content

P12-201-4494 NA Klamath Project, OR-CA. Preparation of 84" RCP pipe bedding. Total depth 2' consisting of 1 to 1.5 foot of 3" minus rock and 1' to 6" of 3/4 minus material with a large percentage of fines. This view from east looking west toward Hwy. 97 tunnel; November 30, 1977; USBR photo by D.J. Kline

Metric
From
To
Interval
Export
Download Full History