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1. [Image] Marmot Dam on the Sandy River



	Citation Citation Citation Abstract Copy Title: Marmot Dam on the Sandy River Year: 1940 Title: Marmot Dam on the Sandy River Year: 1940

2. [Image] Entrance of fish ladder on Marmot Dam



	Citation Citation Citation Abstract Copy Title: Entrance of fish ladder on Marmot Dam Year: 1939 Title: Entrance of fish ladder on Marmot Dam Year: 1939

3. [Image] Marmot Dam on the Sandy River



	Citation Citation Citation Abstract Copy Title: Marmot Dam on the Sandy River Year: 1940 Title: Marmot Dam on the Sandy River Year: 1940

4. [Image] Dam on Milton Creek near St Helens, Oregon



	Citation Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946

5. [Image] Dam on Milton Creek near St Helens, Oregon



	Citation Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946

6. [Image] Dam on Milton Creek near St Helens, Oregon



	Citation Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946

7. [Image] Dam on Milton Creek near St Helens, Oregon



	Citation Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946

8. [Image] 9 mile dam on the Walla Walla River


	Dam has been blasted out.
	Citation Citation Citation Abstract Copy Title: 9 mile dam on the Walla Walla River Year: 1937 Dam has been blasted out. Title: 9 mile dam on the Walla Walla River Year: 1937 Dam has been blasted out.

9. [Image] Bonneville Dam



	Citation Citation Citation Abstract Copy Title: Bonneville Dam Year: 1937 Title: Bonneville Dam Year: 1937

10. [Image] Headgates to Cove power canal



	Citation Citation Citation Abstract Copy Title: Headgates to Cove power canal Year: 1942 Title: Headgates to Cove power canal Year: 1942