Middle Columbia River
E1553120
UNEXPLORED
The Middle Columbia River is a major stretch of the Columbia River in the Pacific Northwest that historically served as a central homeland and trade corridor for Indigenous peoples, including Kiksht-speaking communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Middle Columbia River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22736707 — 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: Middle Columbia River Context triple: [Kiksht, historicalTerritory, Middle Columbia River]
-
A.
Walla Walla River
The Walla Walla River is a tributary of the Columbia River in the Pacific Northwest, flowing through northeastern Oregon and southeastern Washington and giving its name to Walla Walla County.
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B.
Chehalis River
The Chehalis River is a major river in southwestern Washington State that flows through forested valleys and agricultural lands before emptying into Grays Harbor on the Pacific coast.
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C.
Methow River
The Methow River is a scenic tributary of the Columbia River in north-central Washington State, renowned for its salmon runs, recreation opportunities, and the picturesque Methow Valley it drains.
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D.
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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E.
Jefferson River
The Jefferson River is a major tributary of the Missouri River in southwestern Montana, known for its scenic valleys, trout fishing, and role in the Lewis and Clark Expedition.
- 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: Middle Columbia River Target entity description: The Middle Columbia River is a major stretch of the Columbia River in the Pacific Northwest that historically served as a central homeland and trade corridor for Indigenous peoples, including Kiksht-speaking communities.
-
A.
Walla Walla River
The Walla Walla River is a tributary of the Columbia River in the Pacific Northwest, flowing through northeastern Oregon and southeastern Washington and giving its name to Walla Walla County.
-
B.
Chehalis River
The Chehalis River is a major river in southwestern Washington State that flows through forested valleys and agricultural lands before emptying into Grays Harbor on the Pacific coast.
-
C.
Methow River
The Methow River is a scenic tributary of the Columbia River in north-central Washington State, renowned for its salmon runs, recreation opportunities, and the picturesque Methow Valley it drains.
-
D.
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.
-
E.
Jefferson River
The Jefferson River is a major tributary of the Missouri River in southwestern Montana, known for its scenic valleys, trout fishing, and role in the Lewis and Clark Expedition.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.