Fairfax Stone Historical Monument State Park
E29432
Fairfax Stone Historical Monument State Park is a small West Virginia state park preserving the historic boundary marker that once defined the western extent of colonial land grants and the source of the North Branch of the Potomac River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fairfax Stone Historical Monument State Park canonical | 4 |
| Fairfax Stone State Park | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T231368 — 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 Historical Monument State Park Context triple: [Fairfax Stone, locatedIn, Fairfax Stone Historical Monument State Park]
-
A.
Princeton Battlefield State Park
Princeton Battlefield State Park is a historic site and public park preserving the location of a pivotal 1777 Revolutionary War battle near Princeton, New Jersey.
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B.
Carlyle House Historic Park
Carlyle House Historic Park is a preserved 18th-century Georgian mansion and museum in Old Town Alexandria that interprets colonial life and early American history.
-
C.
Independence National Historical Park
Independence National Historical Park is a historic district in Philadelphia that preserves key sites associated with the American Revolution and the founding of the United States, including Independence Hall and the Liberty Bell.
-
D.
Lexington Battle Green
Lexington Battle Green is the historic town common in Lexington, Massachusetts, where the opening shots of the American Revolutionary War were fired and which now serves as a memorial site to that event.
-
E.
Manassas National Battlefield Park
Manassas National Battlefield Park is a preserved Civil War battlefield in Virginia that commemorates the First and Second Battles of Bull Run through historic landscapes, monuments, and visitor exhibits.
- 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 Historical Monument State Park Target entity description: Fairfax Stone Historical Monument State Park is a small West Virginia state park preserving the historic boundary marker that once defined the western extent of colonial land grants and the source of the North Branch of the Potomac River.
-
A.
Princeton Battlefield State Park
Princeton Battlefield State Park is a historic site and public park preserving the location of a pivotal 1777 Revolutionary War battle near Princeton, New Jersey.
-
B.
Carlyle House Historic Park
Carlyle House Historic Park is a preserved 18th-century Georgian mansion and museum in Old Town Alexandria that interprets colonial life and early American history.
-
C.
Independence National Historical Park
Independence National Historical Park is a historic district in Philadelphia that preserves key sites associated with the American Revolution and the founding of the United States, including Independence Hall and the Liberty Bell.
-
D.
Lexington Battle Green
Lexington Battle Green is the historic town common in Lexington, Massachusetts, where the opening shots of the American Revolutionary War were fired and which now serves as a memorial site to that event.
-
E.
Manassas National Battlefield Park
Manassas National Battlefield Park is a preserved Civil War battlefield in Virginia that commemorates the First and Second Battles of Bull Run through historic landscapes, monuments, and visitor exhibits.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
protected area
ⓘ
state park ⓘ tourist attraction ⓘ |
| area | less than 1 acre ⓘ |
| category |
Historic surveying monuments in the United States
ⓘ
Monuments and memorials in West Virginia ⓘ Protected areas of Grant County, West Virginia ⓘ State parks of West Virginia ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevation | approximately 3,000 feet ⓘ |
| hasAccess | automobile access ⓘ |
| hasActivity |
historical tourism
ⓘ
picnicking ⓘ sightseeing ⓘ |
| hasCoordinateRegion | source area of the North Branch Potomac River ⓘ |
| hasHeritageStatus | listed on the National Register of Historic Places ⓘ |
| hasPart |
Fairfax Stone
ⓘ
surface form:
Fairfax Stone monument
interpretive signage ⓘ parking area ⓘ picnic tables ⓘ |
| hasView | surrounding Appalachian highlands ⓘ |
| heritageDesignation | West Virginia state historic site ⓘ |
| inception | 1957 ⓘ |
| locatedIn |
Allegheny Mountains
ⓘ
Appalachia ⓘ
surface form:
Appalachian region
Grant County, West Virginia ⓘ West Virginia ⓘ |
| locatedNear |
Maryland–West Virginia boundary (traditional)
ⓘ
surface form:
Maryland–West Virginia border
headwaters of the Potomac River ⓘ |
| locatedOnWaterbody |
North Branch Potomac River
ⓘ
surface form:
North Branch Potomac River headwaters
|
| namedAfter | Fairfax Stone ⓘ |
| nearestCity |
Davis, West Virginia
ⓘ
Thomas, West Virginia ⓘ |
| NRHPType | historic site ⓘ |
| openToPublic | yes ⓘ |
| operator |
West Virginia Division of Natural Resources
ⓘ
West Virginia State Parks ⓘ |
| primaryWatercourse | North Branch Potomac River ⓘ |
| protects | Fairfax Stone ⓘ |
| purpose |
historical interpretation
ⓘ
preservation of historic boundary marker ⓘ public recreation ⓘ |
| roadAccess | West Virginia Route 90 vicinity ⓘ |
| significantEvent |
marking of the western boundary of the Northern Neck Proprietary
ⓘ
surveying of colonial land grants in the 18th century ⓘ |
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 Historical Monument State Park Description of subject: Fairfax Stone Historical Monument State Park is a small West Virginia state park preserving the historic boundary marker that once defined the western extent of colonial land grants and the source of the North Branch of the Potomac River.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fairfax Stone State Park
this entity surface form:
Fairfax Stone State Park