Go to main content

P12-201-4308 NA Klamath Project, OR-CA. Gravity hammer 2500 lbs. placing pile to depth of 2-3 feet for further driving to desired depth by air hammer. Soldier pile 1'x1'x16'; December 1976; USBR photo by D. J. Kline

Metric
From
To
Interval
Export
Download Full History