The installation of the penstock lining in the tunnel has been completed. The space between the lining and the walls of the tunnel will be backfilled with concrete.
Description
The installation of the penstock lining in the tunnel has been completed. The space between the lining and the walls of the tunnel will be backfilled with concrete.
Notes
Part of Western Waters Digital Library: http://harvester.lib.utah.edu/wwdl/; Messrs. Johnson and Erickson selected photographs from photographers Pomeroy, Robinson, and Russell.