C. J. Brown Reservoir
E174070
C. J. Brown Reservoir is a man-made lake in Ohio known for boating, fishing, and serving as the centerpiece of Buck Creek State Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| C. J. Brown Reservoir canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1481191 — 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: C. J. Brown Reservoir Context triple: [Buck Creek State Park, locatedOnWaterbody, C. J. Brown Reservoir]
-
A.
Yellowtail Reservoir
Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
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B.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
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C.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
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D.
Hillview Reservoir
Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
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E.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
- 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: C. J. Brown Reservoir Target entity description: C. J. Brown Reservoir is a man-made lake in Ohio known for boating, fishing, and serving as the centerpiece of Buck Creek State Park.
-
A.
Yellowtail Reservoir
Yellowtail Reservoir is a man-made lake on the Bighorn River in Montana, created by Yellowtail Dam and used primarily for water storage, hydroelectric power, and recreation.
-
B.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
C.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
D.
Hillview Reservoir
Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
-
E.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasActivity |
birdwatching
ⓘ
canoeing ⓘ ice fishing ⓘ kayaking ⓘ power boating ⓘ sailing ⓘ wildlife viewing ⓘ |
| hasFacility | C. J. Brown Dam ⓘ |
| hasFeature |
boat launch areas
ⓘ
earthen dam ⓘ flood storage pool ⓘ |
| hasFishSpecies |
bluegill
ⓘ
channel catfish ⓘ crappie ⓘ largemouth bass ⓘ smallmouth bass ⓘ walleye ⓘ |
| hasNearbyCity | Springfield, Ohio ⓘ |
| hasRecreationArea |
C. J. Brown Marina area
ⓘ
campground area of Buck Creek State Park ⓘ |
| hasShorelineFeature |
boat ramps
ⓘ
campgrounds ⓘ fishing piers ⓘ hiking trails ⓘ marina ⓘ picnic areas ⓘ swimming beach ⓘ |
| hasUseRestriction |
boating regulations enforced by park authorities
ⓘ
fishing regulations set by Ohio Department of Natural Resources ⓘ |
| locatedIn |
Clark County, Ohio
ⓘ
Ohio ⓘ |
| locatedInOrNextTo | Buck Creek State Park ⓘ |
| locatedNear | Springfield, Ohio ⓘ |
| managingAgency |
Ohio Department of Natural Resources
ⓘ
U.S. Army Corps of Engineers ⓘ |
| namedAfter | Clarence J. Brown ⓘ |
| partOf | Buck Creek State Park ⓘ |
| region | Midwestern United States ⓘ |
| state | Ohio ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ flood control ⓘ recreation ⓘ |
| watercourse | Buck Creek NERFINISHED ⓘ |
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: C. J. Brown Reservoir Description of subject: C. J. Brown Reservoir is a man-made lake in Ohio known for boating, fishing, and serving as the centerpiece of Buck Creek State Park.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Buck Creek (Ohio)