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results 1-20 of 96 item(s)  page 1 of 5 : ( <<  1  2  3  4  5  >> ) :: previous : next
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Mining operations at Sunrise Hydraulic Mining Company, Pine Creek, Atlin Lake District, n.d.
1. Mining operations at Sunrise Hydraulic Mining Company, Pine Creek, Atlin Lake District, n.d.
Miners and hydraulic mining operation, location unknown, n.d.
2. Miners and hydraulic mining operation, location unknown, n.d.
Miners and hydraulic mining operation, location unknown, n.d.
3. Miners and hydraulic mining operation, location unknown, n.d.
Gorge Dam Powerhouse interior showing the no. 1 generator, February 14, 1924
4. Gorge Dam Powerhouse interior showing the no. 1 generator, February 14, 1924

Denny Hill regrade showing hydraulic work, n.d.
5. Denny Hill regrade showing hydraulic work, n.d.
Eugene Semple's South Canal project showing hydraulic giants at work, ca. 1901
6. Eugene Semple's South Canal project showing hydraulic giants at work, ca. 1901
Prosch Washington Views Album
7. Prosch Washington Views Album
Men and cows with large water-driven machine, probably Dera Ghazi Khan, 1899
8. Men and cows with large water-driven machine, probably Dera Ghazi Khan, 1899

Woman and hydraulic mining operation, Juneau District, 1906
9. Woman and hydraulic mining operation, Juneau District, 1906
Miner and hydraulic mining operation, Juneau District, 1906
10. Miner and hydraulic mining operation, Juneau District, 1906
Mining operation showing hydraulic work, Chititu Creek, 1915
11. Mining operation showing hydraulic work, Chititu Creek, 1915
Hydraulic mining operation, Dan Creek, n.d.
12. Hydraulic mining operation, Dan Creek, n.d.

Woman and hydraulic mining operation, Juneau District, 1906
13. Woman and hydraulic mining operation, Juneau District, 1906
Mining operations showing hydraulic sluicing at Bonanza Basin, Yukon Territory, ca. 1913
14. Mining operations showing hydraulic sluicing at Bonanza Basin, Yukon Territory, ca. 1913
Placer mining operation showing hydraulic sluicing near Boise, Idaho, 1912
15. Placer mining operation showing hydraulic sluicing near Boise, Idaho, 1912
Intake gates at the diversion dam headworks and gatekeeper's house, April 12, 1912
16. Intake gates at the diversion dam headworks and gatekeeper's house, April 12, 1912

Gate construction at intake near diversion dam, August 31, 1911
17. Gate construction at intake near diversion dam, August 31, 1911
Intake at the diversion dam near Buckley, July 11, 1911
18. Intake at the diversion dam near Buckley, July 11, 1911
Gate house under construction at Masonry Dam, January 19, 1914
19. Gate house under construction at Masonry Dam, January 19, 1914
Intake and diversion dam with partially completed radial gate, April 18, 1904
20. Intake and diversion dam with partially completed radial gate, April 18, 1904
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