Go to main content

KP-1989 - Klamath Project. Lower cost canal lining. Close-up of process of flowing RC-0 compound on asphalt. A 3' x 2" pipe with one end smashed into a spatula shape is welded on to a flower watering can for a spout; December 14, 1949; Photo by Andrew M. Bergloff

Metric
From
To
Interval
Export
Download Full History