Culebra Cut
E206893
Culebra Cut is the narrow, steep-walled artificial gorge that forms one of the most challenging and historically significant sections of the Panama Canal through the continental divide.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Culebra Cut canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1840282 — 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: Culebra Cut Context triple: [Pedro Miguel Locks, connectsTo, Culebra Cut]
-
A.
Chínipas Canyon
Chínipas Canyon is one of the deep, rugged gorges within Mexico’s Copper Canyon system, known for its dramatic landscapes and remote, mountainous terrain.
-
B.
Urique Canyon
Urique Canyon is one of the deepest and most dramatic gorges in Mexico’s Copper Canyon system, known for its rugged landscapes and remote Tarahumara communities.
-
C.
Frijoles Canyon
Frijoles Canyon is a scenic canyon in northern New Mexico known for its ancient Ancestral Puebloan cliff dwellings and archaeological sites.
-
D.
Chicamocha Canyon
Chicamocha Canyon is a vast, steep-sided canyon in northeastern Colombia known for its dramatic landscapes, adventure tourism, and significance as one of the country’s most impressive natural attractions.
-
E.
Batopilas Canyon
Batopilas Canyon is a deep, scenic gorge in the Copper Canyon system of Chihuahua, Mexico, known for its historic mining town of Batopilas and dramatic desert-mountain landscapes.
- 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: Culebra Cut Target entity description: Culebra Cut is the narrow, steep-walled artificial gorge that forms one of the most challenging and historically significant sections of the Panama Canal through the continental divide.
-
A.
Chínipas Canyon
Chínipas Canyon is one of the deep, rugged gorges within Mexico’s Copper Canyon system, known for its dramatic landscapes and remote, mountainous terrain.
-
B.
Urique Canyon
Urique Canyon is one of the deepest and most dramatic gorges in Mexico’s Copper Canyon system, known for its rugged landscapes and remote Tarahumara communities.
-
C.
Frijoles Canyon
Frijoles Canyon is a scenic canyon in northern New Mexico known for its ancient Ancestral Puebloan cliff dwellings and archaeological sites.
-
D.
Chicamocha Canyon
Chicamocha Canyon is a vast, steep-sided canyon in northeastern Colombia known for its dramatic landscapes, adventure tourism, and significance as one of the country’s most impressive natural attractions.
-
E.
Batopilas Canyon
Batopilas Canyon is a deep, scenic gorge in the Copper Canyon system of Chihuahua, Mexico, known for its historic mining town of Batopilas and dramatic desert-mountain landscapes.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
artificial waterway cut
ⓘ
canal section ⓘ gorge ⓘ |
| connects |
Gatun Lake
ⓘ
Pedro Miguel Locks ⓘ |
| connectsWaterways |
Atlantic Ocean approach via Gatun Lake
ⓘ
Pacific Ocean approach via Pedro Miguel and Miraflores Locks ⓘ |
| constructedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| constructedUnderAuthorityOf | Isthmian Canal Commission ⓘ |
| constructionResumedBy |
United States of America
ⓘ
surface form:
United States
|
| constructionStarted | French period of Panama Canal construction ⓘ |
| countryAfter1999 |
Panama
ⓘ
surface form:
Republic of Panama
|
| crosses | continental divide of Panama ⓘ |
| excavationVolume |
over 100 million cubic yards of material
ⓘ
over 76 million cubic meters of material ⓘ |
| hasEngineeringSignificance | symbol of early 20th-century large-scale earthmoving ⓘ |
| hasFormerName | Gaillard Cut ⓘ |
| hasGeology | sedimentary and volcanic rock formations ⓘ |
| hasHistoricalEvent | site of major construction accidents and fatalities ⓘ |
| hasMaximumAllowedDraftInfluence | limits size of transiting vessels ⓘ |
| hasNameOrigin | Culebra, a nearby town in Panama ⓘ |
| hasProblem |
landslides
ⓘ
rockfalls ⓘ slope instability ⓘ |
| hasViewpoints | observation points along the Panama Canal ⓘ |
| isKeySectionOf |
Panama Canal
ⓘ
surface form:
Panama Canal shipping route
|
| isTouristAttraction | yes ⓘ |
| length |
approximately 13 kilometers
ⓘ
approximately 8.1 miles ⓘ |
| locatedIn |
Isthmus of Panama
ⓘ
Panama ⓘ |
| maintainedBy | Panama Canal Authority ⓘ |
| majorConstructionPeriod | 1904–1914 ⓘ |
| namedAfter | Culebra village ⓘ |
| notableFor |
being one of the most difficult sections of the Panama Canal to build
ⓘ
engineering challenges related to unstable geology ⓘ frequent landslides during construction ⓘ historical significance in canal construction ⓘ steep, high banks ⓘ |
| openedAsPartOf | opening of the Panama Canal in 1914 ⓘ |
| openedToTraffic | 1914 ⓘ |
| partOf | Panama Canal ⓘ |
| renamedAs | Gaillard Cut ⓘ |
| renamedInHonorOf | David du Bose Gaillard ⓘ |
| renamedInYear | 1915 ⓘ |
| underUSControlUntil | 1999 ⓘ |
| wasUnderControlOf |
United States of America
ⓘ
surface form:
United States
|
| widenedFor |
accommodating larger vessels
ⓘ
increased ship traffic ⓘ |
| widenedInCentury |
20th century
ⓘ
21st 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: Culebra Cut Description of subject: Culebra Cut is the narrow, steep-walled artificial gorge that forms one of the most challenging and historically significant sections of the Panama Canal through the continental divide.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Panama Canal Zone