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Grande Ronde volcano
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Rivers -- Oregon
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The project was funded by the United States Department of Energy. Contract No. EG-77-S-07-1691 through the Idaho Water Resources Research Institute.
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The Grande Ronde River enters on the left and is very muddy but Dairy Canyon Creek is crystal clear.. Photo taken near La Grande, Oregon.
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3. [Image] Dairy Canyon Creek
Confluence Dairy Canyon Creek with the Grande Ronde River showing mining silt in the latterCitation -
4. [Image] Joseph Creek Canyon
Joseph Creek, tributary to Grande Ronde River;. Photo taken from "Cape Horn" on the road between Enterprise and Troy, OregonCitation -
5. [Image] Grande Ronde River
A section of the upper Grande Ronde River. Shows damage to stream bed caused by mining dredge operationCitation -
6. [Image] Wenaha River
Shows the Wenaha River upstream from confluence with Grande Ronde River at Troy, OregonCitation -
8. [Image] Lower Grande Ronde River
Lower section of Grande Ronde River looking downstream from bridge at Troy, OregonCitation -
Line where the clear Dairy Canyon Creek enters the extermely turbid Grande Ronde River
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10. [Image] Gravel dredging
Gravel dredging on the Grande Ronde River looking upstream from the highway bridge near Island City, OregonCitation