• Created Date
  • 1922
  • Description
  • Photographs of the Skagit River Hydroelectric Project constructed between 1918-1961. The Gorge Dam and Powerhouse were built by Seattle City Light and completed in September of 1924.A penstock is a conduit or pipe for concentrating the flow of water from a dam reservoir to a powerhouse, resulting in increased water pressure for electrical generation.Caption on image: Penstock Tunnels, April 1922. F202PH Coll 45.1-29a.
  • Format
  • Photograph
    silver gelatin, b&w
    Scanned from a photographic print using a Microtek Scanmaker 9600XL at 150 dpi in JPEG format at compression rate 3 and resized to 768x600 ppi. 2005