Crampton’s Gap
E670509
Crampton’s Gap is a mountain pass in Maryland’s South Mountain range that was a key strategic site during the American Civil War, particularly in the 1862 Maryland Campaign.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crampton’s Gap canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7504044 — 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: Crampton’s Gap Context triple: [Battle of South Mountain, passInvolved, Crampton’s Gap]
-
A.
Hopewell Gap
Hopewell Gap is a mountain pass in the Bull Run Mountains of northern Virginia, commonly used as a route through this section of the range.
-
B.
Turner’s Gap
Turner’s Gap is a strategic mountain pass in Maryland’s South Mountain range that was a key site of fighting during the American Civil War.
-
C.
Spivey Gap
Spivey Gap is a mountain pass located along the border between Tennessee and North Carolina in the Appalachian region of the United States.
-
D.
Rockfish Gap
Rockfish Gap is a mountain pass in Virginia’s Blue Ridge Mountains that serves as a key gateway between Shenandoah National Park and the surrounding lowlands.
-
E.
Dumpton Gap
Dumpton Gap is a quiet, sandy beach and bay on the Kent coast in southeast England, situated between Broadstairs and Ramsgate and known for its cliffs and rock pools.
- 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: Crampton’s Gap Target entity description: Crampton’s Gap is a mountain pass in Maryland’s South Mountain range that was a key strategic site during the American Civil War, particularly in the 1862 Maryland Campaign.
-
A.
Hopewell Gap
Hopewell Gap is a mountain pass in the Bull Run Mountains of northern Virginia, commonly used as a route through this section of the range.
-
B.
Turner’s Gap
Turner’s Gap is a strategic mountain pass in Maryland’s South Mountain range that was a key site of fighting during the American Civil War.
-
C.
Spivey Gap
Spivey Gap is a mountain pass located along the border between Tennessee and North Carolina in the Appalachian region of the United States.
-
D.
Rockfish Gap
Rockfish Gap is a mountain pass in Virginia’s Blue Ridge Mountains that serves as a key gateway between Shenandoah National Park and the surrounding lowlands.
-
E.
Dumpton Gap
Dumpton Gap is a quiet, sandy beach and bay on the Kent coast in southeast England, situated between Broadstairs and Ramsgate and known for its cliffs and rock pools.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geographic location
ⓘ
mountain pass ⓘ |
| associatedWith | Siege of Harpers Ferry NERFINISHED ⓘ |
| associatedWithCampaign | Robert E. Lee’s Maryland Campaign NERFINISHED ⓘ |
| battleOutcome | Union tactical victory ⓘ |
| belligerent |
Confederate Army
NERFINISHED
ⓘ
Union Army NERFINISHED ⓘ |
| category |
American Civil War battlefields
ⓘ
Landforms of Frederick County, Maryland ⓘ Mountain passes of Maryland ⓘ |
| commandedByConfederate | Brigadier General Howell Cobb NERFINISHED ⓘ |
| commandedByUnion | Major General William B. Franklin NERFINISHED ⓘ |
| containedIn | Gathland State Park NERFINISHED ⓘ |
| currentUse |
historic battlefield site
ⓘ
state park area ⓘ |
| dateOfBattle | September 14, 1862 ⓘ |
| elevation | approximately 920 feet ⓘ |
| eraOfConstruction | colonial road era ⓘ |
| front |
eastern slope of South Mountain
ⓘ
western slope toward Pleasant Valley ⓘ |
| hasInterpretiveMarkers | Civil War Trails markers ⓘ |
| hasRoute |
Gapland Road
NERFINISHED
ⓘ
Maryland Route 17 vicinity ⓘ |
| listedOn | National Register of Historic Places ⓘ |
| locatedIn |
Frederick County, Maryland
NERFINISHED
ⓘ
Maryland ⓘ South Mountain NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear |
Burkittsville, Maryland
NERFINISHED
ⓘ
Gathland State Park NERFINISHED ⓘ |
| memorial | War Correspondents Memorial Arch NERFINISHED ⓘ |
| namedAfter | Crampton family (local landowners) NERFINISHED ⓘ |
| nearbyTown | Burkittsville NERFINISHED ⓘ |
| NRHPType | historic district component ⓘ |
| partOf |
Blue Ridge Mountains
NERFINISHED
ⓘ
South Mountain battlefield NERFINISHED ⓘ |
| preservationStatus | partially preserved battlefield ⓘ |
| significantEvent |
Battle of Crampton’s Gap
NERFINISHED
ⓘ
Maryland Campaign of 1862 NERFINISHED ⓘ |
| significantPeriod | American Civil War NERFINISHED ⓘ |
| strategicImportance |
access point through South Mountain barrier
ⓘ
approach route to Harpers Ferry ⓘ |
| terrain |
steep approaches
ⓘ
wooded ⓘ |
| tourism | Civil War heritage tourism site ⓘ |
| usedFor | road passage across South Mountain ⓘ |
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: Crampton’s Gap Description of subject: Crampton’s Gap is a mountain pass in Maryland’s South Mountain range that was a key strategic site during the American Civil War, particularly in the 1862 Maryland Campaign.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.