Seattle Municipal Archives:
Workers on power poles for Boundary Project, 1963
Seattle Municipal Archives:
Ross Dam, circa 1939
Seattle Municipal Archives:
Boundary Dam turbine parts arriving at Pier 20, circa 1965
Seattle Municipal Archives:
Skagit Tours brochure, 1973
Seattle Municipal Archives:
Drilling at Boundary Dam site, 1966
Seattle Municipal Archives:
Skagit River at Diablo Dam site, 1928
Seattle Municipal Archives:
Worker at Boundary Dam, 1965
Seattle Municipal Archives:
Masonry Dam, 1914
Seattle Municipal Archives:
Ross Dam control room, 1970s
Seattle Municipal Archives:
Excavation at Boundary Dam site, 1965
Seattle Municipal Archives:
J. D. Ross in front of butterfly valve inside Diablo powerhouse, circa 1935
Seattle Municipal Archives:
Lift at Diablo Dam, 1954
Seattle Municipal Archives:
Picket signs at Boundary Dam site, 1965
Seattle Municipal Archives:
Ross Dam construction, 1939
Seattle Municipal Archives:
Worker at Boundary Dam, 1967
Seattle Municipal Archives:
Diablo Dam power line construction work crew, circa 1935
Seattle Municipal Archives:
Gorge Powerhouse and Ross Mountain, 1935
Seattle Municipal Archives:
Boundary Dam machine hall under construction, 1965
Seattle Municipal Archives:
Skagit Tours sticker, circa 1973
Seattle Municipal Archives:
Aerial of Boundary Dam, 1967
Seattle Municipal Archives:
Diablo Powerhouse construction, 1936
Seattle Municipal Archives:
Worker at Boundary Dam, 1967
Seattle Municipal Archives:
The Skagit Story, 1951
Seattle Municipal Archives:
Ross Dam, 1956
Seattle Municipal Archives:
Upstream view of Boundary Dam site, 1961
Seattle Municipal Archives:
Diablo Powerhouse construction, 1935
Seattle Municipal Archives:
Boundary Dam construction, 1965
Seattle Municipal Archives:
Diablo Dam, 1969
Seattle Municipal Archives:
Boundary Project model, 1964
Seattle Municipal Archives:
Diablo Powerhouse construction, 1936
