Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: Barry Swackhamer
Taken: August 26, 2020
Caption: Powerful Afterthoughts Marker
Additional Description: Captions: (bottom left) The spiral scroll cases (center) being assembled in the substructure of the powerhouse, April 1941.; (top center) U.S. Army Corps of Engineers colonel inspects generator unit #1. The partially assembled air baffles shown here are part of the generator cooling system. May 1943.; (middle right) The substructure of Power House #1 was completed in 1943 except for the surge tanks. The power house was not completed until 1951 due to shortages of materials during World War II. June 1943.; (bottom right) Construction of the surge tanks at Power House #2 in progress. Each tank is 147 ft. tall with a 65 ft. diameter and can hold in excess of 3 million gallons of water.
Submitted: December 7, 2020, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p555585
File Size: 3.457 Megabytes

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