Alaska Road Commission
Cookman Collection #1
July 28, 1936
Image is a ground-level view of the large boulders placed on the upstream side of the north bridge approach connection between the wooden bridge portion and the rock fill section to protect from high water erosion.
Knik River near Palmer, Alaska
Black & White Paper Print, 3-1/2" x 5-3/4"
Bridge-Knik-Rt75L#85x-Coo