Go to main content

CN-12-201-322NA Klamath Project - Oregon-California. Concrete in left closure slot. Area shown was found to contain no aggregate. Air hammers removed this concrete quite easily. Removal was stopped at 20 inches. Holes on left are for dowels; November 1973; Bureau of Reclamation photo by J. A. Renning

Metric
From
To
Interval
Export
Download Full History