• Description
  • Caption on verso: SOAP LAKE SIPHON: An interesting feature of the Columbia Basin irrigation system in Washington State is the Soap Lake siphon. The interior view shown in the above picture was taken near the the end of the 2.44 mile-long concrete bore. Boasting an inside diameter of 25 feet, the siphon carries the entire flow of the West Canal from the east side of the Grand Coulee around the northern end of Soap Lake to the west side of the G... more
    Caption on verso: SOAP LAKE SIPHON: An interesting feature of the Columbia Basin irrigation system in Washington State is the Soap Lake siphon. The interior view shown in the above picture was taken near the the end of the 2.44 mile-long concrete bore. Boasting an inside diameter of 25 feet, the siphon carries the entire flow of the West Canal from the east side of the Grand Coulee around the northern end of Soap Lake to the west side of the Grand Coulee. --Bureau of Reclamation Photo.Neg UW 8237[Grand Coulee Dam 578]. less
  • Format
  • Photograph
    image
    silver gelatin, b&w
    Scanned from a photographic print at 100 dpi in JPEG format and resized to 768x512 ppi or scanned from original text at 400 dpi in JPEG format and resized to 600 ppi horizontal. Saved at compression rate 3. 2000