Fairfax Stone State Park
E656724
Fairfax Stone State Park is a small historic park in West Virginia that preserves the Fairfax Stone, a colonial-era boundary marker that once defined the limits of Lord Fairfax’s land grant and helped shape state borders.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fairfax Stone State Park canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7339700 — 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: Fairfax Stone State Park Context triple: [West Virginia State Parks, hasComponent, Fairfax Stone State Park]
-
A.
Bluestone State Park
Bluestone State Park is a scenic West Virginia state park known for its lakeside recreation, camping, and outdoor activities in the Appalachian Mountains.
-
B.
Pocahontas State Park
Pocahontas State Park is a large Virginia state park known for its extensive forested trails, lakes, and outdoor recreation opportunities including hiking, biking, fishing, and camping.
-
C.
Blue Limestone Park
Blue Limestone Park is a public recreational area in Delaware, Ohio, known for its scenic limestone formations, fishing spots, and walking trails.
-
D.
Chimney Rock State Park
Chimney Rock State Park is a scenic North Carolina state park known for its towering granite monolith, panoramic Blue Ridge Mountain views, and extensive hiking trails.
-
E.
Leesylvania State Park
Leesylvania State Park is a scenic Virginia state park on the Potomac River known for its waterfront recreation, hiking trails, and historic sites.
- 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: Fairfax Stone State Park Target entity description: Fairfax Stone State Park is a small historic park in West Virginia that preserves the Fairfax Stone, a colonial-era boundary marker that once defined the limits of Lord Fairfax’s land grant and helped shape state borders.
-
A.
Bluestone State Park
Bluestone State Park is a scenic West Virginia state park known for its lakeside recreation, camping, and outdoor activities in the Appalachian Mountains.
-
B.
Pocahontas State Park
Pocahontas State Park is a large Virginia state park known for its extensive forested trails, lakes, and outdoor recreation opportunities including hiking, biking, fishing, and camping.
-
C.
Blue Limestone Park
Blue Limestone Park is a public recreational area in Delaware, Ohio, known for its scenic limestone formations, fishing spots, and walking trails.
-
D.
Chimney Rock State Park
Chimney Rock State Park is a scenic North Carolina state park known for its towering granite monolith, panoramic Blue Ridge Mountain views, and extensive hiking trails.
-
E.
Leesylvania State Park
Leesylvania State Park is a scenic Virginia state park on the Potomac River known for its waterfront recreation, hiking trails, and historic sites.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | state park ⓘ |
| area | approximately 4 acres ⓘ |
| category |
Boundary markers
ⓘ
Monuments and memorials in West Virginia ⓘ Protected areas of Grant County, West Virginia ⓘ State parks of West Virginia ⓘ |
| contains | headwaters of the North Branch Potomac River ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevation | approximately 3,000 feet ⓘ |
| established | 1957 ⓘ |
| hasAccessRoad | West Virginia Route 90 ⓘ |
| hasCoordinates | approximately 39.200°N 79.485°W ⓘ |
| hasDesignation | West Virginia state park ⓘ |
| hasFeature |
historical marker
ⓘ
monumented boundary stone ⓘ parking area ⓘ picnic area ⓘ |
| hasInterpretiveSignage | yes ⓘ |
| hasLandmark | Fairfax Stone ⓘ |
| hasNearbyCommunity | Bayard, West Virginia ⓘ |
| hasRecreationActivity |
historical interpretation
ⓘ
picnicking ⓘ sightseeing ⓘ |
| historicalSignificance |
associated with colonial-era land grant of Lord Fairfax
ⓘ
helped define boundary between Maryland and Virginia (pre-Civil War) ⓘ helped define boundary between Maryland and West Virginia ⓘ marks former western boundary of Lord Fairfax’s Northern Neck Proprietary ⓘ |
| isDayUseOnly | yes ⓘ |
| isPartOf |
West Virginia state park system
ⓘ
linked to:
West Virginia State Parks
|
| locatedAtSourceOf | North Branch Potomac River ⓘ |
| locatedIn |
Grant County, West Virginia
ⓘ
West Virginia ⓘ |
| locatedInRegion | Appalachian Mountains ⓘ |
| locatedNear |
Maryland–West Virginia border
ⓘ
Monongahela National Forest ⓘ |
| managingAgency |
West Virginia Division of Natural Resources Parks and Recreation Section
ⓘ
linked to:
West Virginia Division of Natural Resources
|
| namedAfter | Fairfax Stone ⓘ |
| nearestCity |
Davis, West Virginia
ⓘ
Thomas, West Virginia ⓘ |
| openToPublic | yes ⓘ |
| operator | West Virginia Division of Natural Resources ⓘ |
| ownedBy |
State of West Virginia
ⓘ
linked to:
West Virginia
|
| primaryAttraction |
Fairfax Stone monument
ⓘ
linked to:
Fairfax Stone
|
| purpose | preservation of the Fairfax Stone boundary marker ⓘ |
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: Fairfax Stone State Park Description of subject: Fairfax Stone State Park is a small historic park in West Virginia that preserves the Fairfax Stone, a colonial-era boundary marker that once defined the limits of Lord Fairfax’s land grant and helped shape state borders.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.