Go to main content

KP-1690- Klamath Project. Low Cost Canal Lining. Spreading "Volclay" bentonite on bank to eliminate seepage. Bentonite is spread along upper edge of bank and raked down the slope and into the top layer of soil; March 31, 1948; Photo by C. O. Wamstad

Metric
From
To
Interval
Export
Download Full History