Mayfield Lake
E479242
Mayfield Lake is a large reservoir in southwestern Washington State popular for boating, fishing, and camping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mayfield Lake canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T2984214 — 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: Mayfield Lake Context triple: [Lewis County, Washington, hasLake, Mayfield Lake]
-
A.
Overland Lake
Overland Lake is a high-elevation alpine lake in Nevada’s Ruby Mountains, known for its scenic mountain setting and backcountry hiking access.
-
B.
Wilson Lake
Wilson Lake is a man-made reservoir in northern Alabama known for hydroelectric power generation, navigation, and recreational activities along the Tennessee River.
-
C.
Hoyt Lake
Hoyt Lake is a scenic man-made lake in Buffalo, New York, known as a central feature of the historic, Olmsted-designed Delaware Park.
-
D.
Badin Lake
Badin Lake is a reservoir in central North Carolina known for boating, fishing, and outdoor recreation within the Uwharrie National Forest region.
-
E.
Longview Lake
Longview Lake is a large recreational reservoir in the Kansas City metropolitan area known for boating, fishing, and surrounding park facilities.
- 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: Mayfield Lake Target entity description: Mayfield Lake is a large reservoir in southwestern Washington State popular for boating, fishing, and camping.
-
A.
Overland Lake
Overland Lake is a high-elevation alpine lake in Nevada’s Ruby Mountains, known for its scenic mountain setting and backcountry hiking access.
-
B.
Wilson Lake
Wilson Lake is a man-made reservoir in northern Alabama known for hydroelectric power generation, navigation, and recreational activities along the Tennessee River.
-
C.
Hoyt Lake
Hoyt Lake is a scenic man-made lake in Buffalo, New York, known as a central feature of the historic, Olmsted-designed Delaware Park.
-
D.
Badin Lake
Badin Lake is a reservoir in central North Carolina known for boating, fishing, and outdoor recreation within the Uwharrie National Forest region.
-
E.
Longview Lake
Longview Lake is a large recreational reservoir in the Kansas City metropolitan area known for boating, fishing, and surrounding park facilities.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| accessibleFrom | Lewis County, Washington road network ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createdBy | Mayfield Dam ⓘ |
| formedBy | Cowlitz River ⓘ |
| hasBoatLaunch | public boat launches ⓘ |
| hasCampground |
Ike Kinswa State Park campground
ⓘ
Mayfield Lake Park campground ⓘ |
| hasFacility |
RV campsites
ⓘ
day-use areas ⓘ picnic shelters ⓘ swim beaches ⓘ tent campsites ⓘ |
| hasFishSpecies |
brown bullhead
ⓘ
coho salmon ⓘ cutthroat trout ⓘ kokanee ⓘ largemouth bass ⓘ rainbow trout ⓘ smallmouth bass ⓘ yellow perch ⓘ |
| hasIsland | several small islands ⓘ |
| hasRecreationArea |
Ike Kinswa State Park
ⓘ
Mayfield Lake Park ⓘ |
| locatedIn |
Lewis County, Washington
ⓘ
Washington State ⓘ
linked to:
Washington
|
| locatedInRegion |
Southwestern Washington
ⓘ
linked to:
southwestern Washington
|
| managedBy | Tacoma Power ⓘ |
| nearbyCity |
Mossyrock, Washington
ⓘ
Silver Creek, Washington ⓘ |
| nearbyHighway | U.S. Route 12 NERFINISHED ⓘ |
| operator |
Tacoma Public Utilities
ⓘ
linked to:
Tacoma Power
|
| partOf | Cowlitz River Project ⓘ |
| popularFor |
boating
ⓘ
camping ⓘ fishing ⓘ kayaking ⓘ picnicking ⓘ swimming ⓘ water skiing ⓘ |
| regulation | Washington Department of Fish and Wildlife fishing regulations ⓘ |
| use |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ |
| watercourse | Cowlitz River ⓘ |
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: Mayfield Lake Description of subject: Mayfield Lake is a large reservoir in southwestern Washington State popular for boating, fishing, and camping.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.