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Subject
Dams (436)
Rivers -- Washington (137)
Streams -- Oregon (129)
Fish Ladders (96)
Rivers -- Oregon (57)
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Creator
Witter, Alfred S. (34)
Parkhurst, Zell E. (3)
Brockman, ed. (2)
Nielson, Reed S. (2)
Bryant, Floyd G. (1)
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 Image: Image Title: Subject: Description/Notes:

1. A Survey of the Columbia River and its tributaries with special reference to the management of its fishery A Survey of the Columbia River and its tributaries with special reference to the management of its fishery resources Anadromous fishes -- Columbia River Watershed; Salmon fisheries -- Columbia River Watershed; Trout fisheries -- Columbia River Watershed; Fishery management -- Columbia River Watershed; Special scientific report ; no 51

2. Beaver dam on Warm Springs Creek Beaver dam on Warm Springs Creek Beaver dams; Streams Bad beaver dam just above the location of Parker Stump Mill Beaver dams are in abundance above this point

3. Beaver dam and house Beaver dam and house Beaver dams; Streams; Rivers -- Idaho Large beaver dam and house about 1 1/2 miles above the Loon Creek Ranger Station

4. Burlingame Ditch Burlingame Ditch Canals; Dams; Streams Burlingame Ditch is a tributary to the Walla Walla River.

5. Burlingame Ditch intake Burlingame Ditch intake Canals; Dams; Streams Burlingame Ditch is a tributary to the Walla Walla River.

6. Headgate and grizzly Headgate and grizzly Dams Headgate and grizzly on Old Reservation ditch
There are no rotary screens present on this ditch near Yakima, Washington

7. Sunbean Dam Sunbean Dam Dams Sunbeam Dam on the Salmon River in Idaho, close to US 93

8. Dam at outlet of Wallowa Lake Dam at outlet of Wallowa Lake Dams

9. Catherine Creek diversion dam Catherine Creek diversion dam Dams Diversion dam for flour mill at Union, Oregon

10. Catherine Creek diversion dam Catherine Creek diversion dam Dams Diversion dam for flour mill at Union, Oregon

11. Headgates and by-pass Headgates and by-pass Dams Headgates and by-pass in flour mill diversion at Union, Oregon
Normally when the mill is operating no water goes over the by-pass dam

12. Base of Dam low water area Base of Dam low water area Dams

13. Headgates and by-pass Headgates and by-pass Dams Headgates and by-pass in flour mill diversion at Union, Oregon
Normally when the mill is operating no water goes over the by-pass dam

14. Watre supply reservoir Watre supply reservoir Dams Upper dam in Union, Oregon, water supply reservoir

15. Fish hatchery dam above Union, Oregon Fish hatchery dam above Union, Oregon Dams

16. Dam at outlet of Wallowa Lake Dam at outlet of Wallowa Lake Dams

17. Wallowa Lake dam Wallowa Lake dam Dams Downstream view of dam at outlet of Wallowa Lake
Large pipe in foreground conveys water to power plant at Joseph, Oregon

18. Wallowa Lake dam Wallowa Lake dam Dams Upstream face of control dam at outlet of Wallowa Lake Oregon

19. Lower Benson Dam near US 30 bridge between Union and La Grande Lower Benson Dam near US 30 bridge between Union and La Grande Dams Lower Benson Dam on Catherine Creek near US 30 bridge between Union and La Grande, Oregon
Photo shows low water barrier

20. Catherine Creek diversion dam Catherine Creek diversion dam Dams Catherine Creek water supply diversion dam for city of Union, Oregon
Shows low water barrier
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