Zigzag River watershed
E359973
The Zigzag River watershed is a drainage basin in Oregon’s Mount Hood region that collects and channels water from surrounding lakes, streams, and mountain terrain into the Zigzag River system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Zigzag River system | 1 |
| Zigzag River watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3445325 — 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: Zigzag River watershed Context triple: [Trillium Lake, locatedOn, Zigzag River watershed]
-
A.
La Mesa Watershed
La Mesa Watershed is a protected forest and reservoir area in Quezon City that serves as a major source of drinking water and a key urban green space for Metro Manila.
-
B.
Mill Creek watershed
The Mill Creek watershed is the drainage basin that collects and channels all surface water flowing into Mill Creek and its tributaries, shaping the local hydrology and surrounding ecosystem.
-
C.
Wood River Valley
Wood River Valley is a scenic region in central Idaho known for its mountain landscapes, outdoor recreation, and resort communities including the Ketchum–Sun Valley area.
-
D.
Waccabuc River
The Waccabuc River is a small tributary stream in southeastern New York that feeds into the Croton River within the Croton River watershed.
-
E.
Bull Run watershed
The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
- 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: Zigzag River watershed Target entity description: The Zigzag River watershed is a drainage basin in Oregon’s Mount Hood region that collects and channels water from surrounding lakes, streams, and mountain terrain into the Zigzag River system.
-
A.
La Mesa Watershed
La Mesa Watershed is a protected forest and reservoir area in Quezon City that serves as a major source of drinking water and a key urban green space for Metro Manila.
-
B.
Mill Creek watershed
The Mill Creek watershed is the drainage basin that collects and channels all surface water flowing into Mill Creek and its tributaries, shaping the local hydrology and surrounding ecosystem.
-
C.
Wood River Valley
Wood River Valley is a scenic region in central Idaho known for its mountain landscapes, outdoor recreation, and resort communities including the Ketchum–Sun Valley area.
-
D.
Waccabuc River
The Waccabuc River is a small tributary stream in southeastern New York that feeds into the Croton River within the Croton River watershed.
-
E.
Bull Run watershed
The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
watershed ⓘ |
| associatedWith | Mount Hood National Forest ⓘ |
| collectsWaterFrom |
lakes
ⓘ
mountain terrain ⓘ streams ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainsInto | Zigzag River ⓘ |
| hasPrimaryOutflow | Zigzag River ⓘ |
| hydrologicUnitOf |
Zigzag River system
ⓘ
linked to:
Zigzag River watershed
|
| locatedIn |
Mount Hood region
ⓘ
linked to:
Mount Hood National Forest
Oregon ⓘ United States ⓘ
linked to:
United States of America
|
| partOf |
Mount Hood hydrologic system
ⓘ
linked to:
Mount Hood glacial system
|
| state | Oregon ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Zigzag River watershed Description of subject: The Zigzag River watershed is a drainage basin in Oregon’s Mount Hood region that collects and channels water from surrounding lakes, streams, and mountain terrain into the Zigzag River system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Zigzag River watershed