The Dalles–Celilo reach of the Columbia River
E1135799
UNEXPLORED
The Dalles–Celilo reach of the Columbia River is a historically and culturally significant stretch of the river in the Pacific Northwest, once renowned for its powerful rapids and rich Indigenous fishing sites before being largely submerged by dam construction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| The Dalles–Celilo reach of the Columbia River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15027143 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: The Dalles–Celilo reach of the Columbia River Context triple: [Celilo Falls, partOf, The Dalles–Celilo reach of the Columbia River]
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A.
Lower Columbia River region
The Lower Columbia River region is a culturally and ecologically rich area of the Pacific Northwest centered along the lower stretches of the Columbia River, historically home to numerous Indigenous peoples and vital salmon fisheries.
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B.
Cowlitz River
The Cowlitz River is a significant river in southwestern Washington State, known for its salmon and steelhead runs, hydroelectric dams, and role in regional recreation and fisheries.
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C.
Willamette River
The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
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D.
Calapooia River basin
The Calapooia River basin is a watershed in western Oregon that historically formed the homeland of the Kalapuya people.
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E.
Columbia River Basin
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: The Dalles–Celilo reach of the Columbia River Target entity description: The Dalles–Celilo reach of the Columbia River is a historically and culturally significant stretch of the river in the Pacific Northwest, once renowned for its powerful rapids and rich Indigenous fishing sites before being largely submerged by dam construction.
-
A.
Lower Columbia River region
The Lower Columbia River region is a culturally and ecologically rich area of the Pacific Northwest centered along the lower stretches of the Columbia River, historically home to numerous Indigenous peoples and vital salmon fisheries.
-
B.
Cowlitz River
The Cowlitz River is a significant river in southwestern Washington State, known for its salmon and steelhead runs, hydroelectric dams, and role in regional recreation and fisheries.
-
C.
Willamette River
The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
-
D.
Calapooia River basin
The Calapooia River basin is a watershed in western Oregon that historically formed the homeland of the Kalapuya people.
-
E.
Columbia River Basin
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.