John Samuel Eastwood

John Samuel Eastwood (1857, in Minnesota – 1924, in California) was an American engineer who built the world's first reinforced concrete multiple-arch dam on bedrock foundation at Hume Lake, California, in 1908. Eastwood's papers are held at the Water Resources Collections and Archives, University of California, Riverside.

John Samuel Eastwood

John Samuel Eastwood (1857, in Minnesota – 1924, in California) was an American engineer who built the world's first reinforced concrete multiple-arch dam on bedrock foundation at Hume Lake, California, in 1908. Eastwood's papers are held at the Water Resources Collections and Archives, University of California, Riverside.