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Subject Dams (15) Rivers -- Oregon (13) Streams -- Oregon (5) Fishways (3) Fish Ladders (3) Show more... Creator Parkhurst, Z. L. (5) Witter, Alfred S. (1)

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	Image:	Image Title:	Subject:	Description/Notes:

1.		Fishway and diversion dam	Fishways; Dams; Rivers -- Oregon	Fishway and diversion dam for the City of Union, Oregon, domestic water supply found on Catherine Creek

2.		Grande Ronde River	Rivers -- Oregon; Mining; Dredges	A section of the upper Grande Ronde River Shows damage to stream bed caused by mining dredge operation

3.		Confluence Big and Little Looking Glass Creek	Streams -- Oregon

4.		Elgin dam and fish ladder	Dams; Fish ladders; Fishways; Streams -- Oregon; Parkhurst, Zell.	Fishway over Elgin Dam Although there are 4 jumps in the ladder there is only one pool in the ladder. Zell Parkhurst is standing on the crest.

5.		Elgin Dam and fish ladder	Dams; Fish ladders; Fishways; Streams -- Oregon	Fish ladder over Elgin Dam There is only 1 pool in the ladder. Zell Parkhurst is standing on the crest.

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

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

8.		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

9.		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

10.		Water supply diversion dam	Dams; Fish ladders	City of Union, Oregon, water supply diversion dam and fish ladder Floyd Bryant taking measurements

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

12.		Union water supply reservoir	Dams; Reservoirs	Lower dam in Union, Oregon, water supply reservoir At low water it is a barrier to fish

13.		Fish hatchery dam above Union, Oregon	Dams

14.		Dairy Canyon Creek	Rivers -- Oregon	Confluence Dairy Canyon Creek with the Grande Ronde River showing mining silt in the latter

15.		Confluence of Big and Little Looking Glass Creeks	Streams -- Oregon

16.		Confluence of Upper Grande Ronde and Dairy Canyon Creek	Rivers -- Oregon	Line where the clear Dairy Canyon Creek enters the extermely turbid Grande Ronde River

17.		Confluence of Upper Grande Ronde and Dairy Canyon Creek	Rivers -- Oregon

18.		Power diversion dam across Grande Ronde River	Dams; Rivers -- Oregon	Grande Ronde River with power diversion dam completely across the river It is a barrier for fish at low water when only seepage escapes downstream Dam is located between La Grande and Island...

19.		Grande Ronde River power diversion dam	Dams; Rivers -- Oregon	Grande Ronde River showing power diversion at point between La Grande and Island City Supplies water power to flour mill in Island City No protective devices and no by-pass

20.		Gravel dredging	Dredging; Gravel; Rivers -- Oregon	Gravel dredging on the Grande Ronde River looking upstream from the highway bridge near Island City, Oregon

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