Eleven Mile Reservoir (via South Platte headwaters system)
E582274
Eleven Mile Reservoir is a large high-altitude water storage and recreation reservoir in central Colorado, known for fishing, boating, and its surrounding state park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eleven Mile Reservoir (via South Platte headwaters system) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6248987 — 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: Eleven Mile Reservoir (via South Platte headwaters system) Context triple: [South Platte River, hasReservoir, Eleven Mile Reservoir (via South Platte headwaters system)]
-
A.
Salt Creek, Colorado
Salt Creek, Colorado is a small unincorporated community located in Pueblo County in southern Colorado.
-
B.
St. Vrain Creek
St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
-
C.
Mount Elbert Forebay
Mount Elbert Forebay is a high-altitude reservoir in Colorado used primarily for hydroelectric power generation and water storage near Mount Elbert in the Sawatch Range.
-
D.
Roaring Fork River
The Roaring Fork River is a major tributary of the Colorado River in western Colorado, known for its fast-flowing waters, whitewater recreation, and importance to regional water management and ecology.
-
E.
South Fork, Colorado
South Fork, Colorado is a small mountain town in southern Colorado known as a gateway to outdoor recreation in the San Juan Mountains and along the upper Rio Grande.
- 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: Eleven Mile Reservoir (via South Platte headwaters system) Target entity description: Eleven Mile Reservoir is a large high-altitude water storage and recreation reservoir in central Colorado, known for fishing, boating, and its surrounding state park.
-
A.
Salt Creek, Colorado
Salt Creek, Colorado is a small unincorporated community located in Pueblo County in southern Colorado.
-
B.
St. Vrain Creek
St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
-
C.
Mount Elbert Forebay
Mount Elbert Forebay is a high-altitude reservoir in Colorado used primarily for hydroelectric power generation and water storage near Mount Elbert in the Sawatch Range.
-
D.
Roaring Fork River
The Roaring Fork River is a major tributary of the Colorado River in western Colorado, known for its fast-flowing waters, whitewater recreation, and importance to regional water management and ecology.
-
E.
South Fork, Colorado
South Fork, Colorado is a small mountain town in southern Colorado known as a gateway to outdoor recreation in the San Juan Mountains and along the upper Rio Grande.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| climateCharacteristic |
cold winters
ⓘ
strong afternoon winds ⓘ windy conditions ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation |
approximately 2600 meters above sea level
ⓘ
approximately 8600 feet above sea level ⓘ |
| hasActivity |
canoeing
ⓘ
ice fishing ⓘ kayaking ⓘ motor boating ⓘ sailing ⓘ shoreline fishing ⓘ |
| hasFacility |
boat ramps
ⓘ
campgrounds ⓘ fishing piers ⓘ picnic areas ⓘ |
| hasFishSpecies |
brown trout
ⓘ
cutthroat trout ⓘ kokanee salmon ⓘ northern pike ⓘ rainbow trout ⓘ |
| isNearby |
South Park region of Colorado
ⓘ
linked to:
South Park (Colorado basin)
Spinney Mountain Reservoir ⓘ |
| knownFor |
high-altitude recreation
ⓘ
kokanee salmon fishing ⓘ large open-water boating area ⓘ trophy trout fishing ⓘ |
| locatedIn |
Colorado
ⓘ
Park County, Colorado ⓘ central Colorado ⓘ |
| locatedOnRiver | South Platte River ⓘ |
| operator | Colorado Parks and Wildlife ⓘ |
| partOf |
Missouri River watershed
ⓘ
linked to:
Missouri River Basin
South Platte River basin ⓘ
linked to:
South Platte River
South Platte headwaters system ⓘ
linked to:
South Platte River
|
| protectedBy | Colorado Parks and Wildlife ⓘ |
| surroundedBy | Eleven Mile State Park ⓘ |
| use |
boating
ⓘ
camping ⓘ fishing ⓘ ice fishing ⓘ irrigation support ⓘ municipal water supply ⓘ recreation ⓘ water storage ⓘ wildlife viewing ⓘ |
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: Eleven Mile Reservoir (via South Platte headwaters system) Description of subject: Eleven Mile Reservoir is a large high-altitude water storage and recreation reservoir in central Colorado, known for fishing, boating, and its surrounding state park.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.