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results 1-20 of 19539 item(s)  page 1 of 977 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Lower Columbia and Willamette Rivers, Below Portland, Oreg.
1. Lower Columbia and Willamette Rivers, Below Portland, Oreg.
A New Log of the Columbia ; On the Discovery of the Columbia River and Grays Harbor
2. A New Log of the Columbia ; On the Discovery of the Columbia River and Grays Harbor
The Dalles-Celilo portage; its history and influence
3. The Dalles-Celilo portage; its history and influence
Interior of large pipe, Masonry Dam, October 18, 1914
4. Interior of large pipe, Masonry Dam, October 18, 1914
Interior of tunnel, Masonry Dam, October 18, 1914
5. Interior of tunnel, Masonry Dam, October 18, 1914
Hydro-electric development; an illustrated story of the power properties of the Puget Sound Power & Light
6. Hydro-electric development; an illustrated story of the power properties of the Puget Sound Power & Light Company
Two men standing in pipe attached to large valves at Masonry Dam, November 25, 1914
7. Two men standing in pipe attached to large valves at Masonry Dam, November 25, 1914
Group of men, probably supervisors of construction work at Masonry Dam, April 18, 1914
8. Group of men, probably supervisors of construction work at Masonry Dam, April 18, 1914
Masonry Dam under construction, January 19, 1914
9. Masonry Dam under construction, January 19, 1914
Point in Rockport at which the Great Northern railroad ends and the new section of rail line built by
10. Point in Rockport at which the Great Northern railroad ends and the new section of rail line built by Seattle City Light to Newhalem begins, August 13, 1920
Steam shovel used in construction of the railroad between Rockport and Newhalem, August 11, 1920
11. Steam shovel used in construction of the railroad between Rockport and Newhalem, August 11, 1920
Main building on the Davis Ranch property at Cedar Bar, eight miles above Goodell's Landing (now Newhalem),
12. Main building on the Davis Ranch property at Cedar Bar, eight miles above Goodell's Landing (now Newhalem), ca. 1919
Sloped face of Masonry Dam under construction as seen from above, June 3, 1914
13. Sloped face of Masonry Dam under construction as seen from above, June 3, 1914
Tunnel entrance, probably the west portal of the tunnel constructed to carry water from the Gorge Dam
14. Tunnel entrance, probably the west portal of the tunnel constructed to carry water from the Gorge Dam reservoir to the powerhouse, August 12, 1920
Men on timber structures on the Skagit River, doing early exploration work at the Ruby Dam site, October
15. Men on timber structures on the Skagit River, doing early exploration work at the Ruby Dam site, October 19, 1919
Diamond drill, an early piece of machinery used at Ruby Dam site, June 29, 1919
16. Diamond drill, an early piece of machinery used at Ruby Dam site, June 29, 1919
Men resting on tree stumps during construction of railroad from Rockport to Newhalem, August 12, 1920
17. Men resting on tree stumps during construction of railroad from Rockport to Newhalem, August 12, 1920
Saw mill on the Skagit River, just west of Babcock Creek and the Gorge Powerhouse site, August 12, 1920
18. Saw mill on the Skagit River, just west of Babcock Creek and the Gorge Powerhouse site, August 12, 1920
Detail of diamond drill used in early Skagit exploration work, June 29, 1919
19. Detail of diamond drill used in early Skagit exploration work, June 29, 1919
Diablo Canyon showing with footbridge at the dam site, June 30, 1919
20. Diablo Canyon showing with footbridge at the dam site, June 30, 1919
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