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Description
Photograph shows Shasta's lowest concrete--In the ancient gorge of the Sacramento River, almost 100 feet below the former stream bed, United States reclamation engineers found the deepest point at which sound bedrock was reached for the Shasta Dam foundation. This picture shows the first bucket of concrete being dumped in the cavity, 602 feet below the ultimate top of the dam. This bedrock will support a weight of 400 tons of concrete per square yard when Shasta Dam is completed. ght
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