When the trans Alaska pipeline is operational, crude oil will flow up and over this slope in the Chugach Mouintains on its way to Valdez. At up-hill sections along the pipeline, 80 check valves are installed to limit any potential spill. These mechanical valves close automatically in the event of a pressure loss in the line upstream of the valve, thereby preventing the flow of oil in the wrong direction. Link up into the pipeline of the check valve at center awaits installation of a short section of 48-inch diameter pipe., 1974 - 1977
Content Description
The collection contains both slides and photographs taken during the pipeline construction. Subjects include personnel, equipment, bridge construction, the winter environment, wildlife, pump stations, Port Valdez, the Haul Road and the terminal. There are several views of archaeologists from UAF working at the site. The 589 slides generally correspond to six typewritten progress reports, which begin in March 1976, when the pipeline was about 45% complete, and end in April 1977 at 95% completion. The remainder of the collection consists of 127, 8x10 in. black and white photographs.
Dates
- 1974 - 1977
Conditions Governing Access
The collection is available for viewing; however the images may not be photocopied.
Extent
1 Photographic Prints
Language of Materials
From the Collection: English
Repository Details
Part of the Alaska State Library - Historical Collections Finding Aids Repository
PO Box 110571
Juneau AK 99811-0571 US
907-465-2920
907-465-2925
907-465-2151 (Fax)
asl.historical@alaska.gov