Peterborough Lift Lock
E169061
The Peterborough Lift Lock is a historic hydraulic boat lift in Peterborough, Ontario, renowned as one of the highest hydraulic lift locks in the world and a major engineering landmark on Canada's inland waterway system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Peterborough Lift Lock canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1479875 — 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.
Target entity: Peterborough Lift Lock Context triple: [Trent–Severn Waterway, hasPart, Peterborough Lift Lock]
-
A.
Kingston Mills Locks
Kingston Mills Locks is a historic lockstation at the southern entrance of Canada’s Rideau Canal, known for its 19th-century engineering works and scenic setting near Kingston, Ontario.
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B.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
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C.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
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D.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
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E.
Sunbury Lock
Sunbury Lock is a lock on the River Thames in England, used to manage water levels and enable boats to navigate between different stretches of the river.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Peterborough Lift Lock Target entity description: The Peterborough Lift Lock is a historic hydraulic boat lift in Peterborough, Ontario, renowned as one of the highest hydraulic lift locks in the world and a major engineering landmark on Canada's inland waterway system.
-
A.
Kingston Mills Locks
Kingston Mills Locks is a historic lockstation at the southern entrance of Canada’s Rideau Canal, known for its 19th-century engineering works and scenic setting near Kingston, Ontario.
-
B.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
-
C.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
-
D.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
E.
Sunbury Lock
Sunbury Lock is a lock on the River Thames in England, used to manage water levels and enable boats to navigate between different stretches of the river.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
boat lift
ⓘ
engineering structure ⓘ hydraulic lift lock ⓘ tourist attraction ⓘ |
| architecturalStyle | industrial architecture ⓘ |
| category | navigation lock ⓘ |
| city |
Peterborough, Ontario
ⓘ
surface form:
Peterborough
|
| completionDate | 1904 ⓘ |
| constructionStartDate | 1896 ⓘ |
| country | Canada ⓘ |
| designer | Richard Birdsall Rogers ⓘ |
| elevationGain |
approximately 19.8 metres
ⓘ
approximately 65 feet ⓘ |
| engineer | Richard Birdsall Rogers ⓘ |
| engineeringSignificance | major Canadian engineering landmark ⓘ |
| featuredIn | lists of historic civil engineering landmarks in Canada ⓘ |
| function | lifting boats between different water levels ⓘ |
| hasPublicAccess | yes ⓘ |
| hasTwinCaissons | yes ⓘ |
| hasVisitorCentre | yes ⓘ |
| heritageDesignation | National Historic Site of Canada ⓘ |
| heritageDesignationDate | 1979 ⓘ |
| includedIn |
Trent–Severn Waterway
ⓘ
surface form:
Trent–Severn Waterway National Historic Site
|
| liftType | counterweighted hydraulic lift ⓘ |
| locatedOnWaterway | Trent–Severn Waterway ⓘ |
| location |
Peterborough, Ontario
ⓘ
surface form:
Peterborough, Ontario, Canada
|
| maintenanceResponsibility | Parks Canada ⓘ |
| managesWaterwayTraffic | Trent–Severn Waterway ⓘ |
| materialUsed |
steel
ⓘ
unreinforced concrete ⓘ |
| maximumVesselBeam | approximately 7 metres ⓘ |
| maximumVesselLength | approximately 37 metres ⓘ |
| near | Ashburnham neighbourhood of Peterborough ⓘ |
| notableFor |
being one of the highest hydraulic lift locks in the world
ⓘ
innovative use of unreinforced concrete at time of construction ⓘ |
| numberOfChambers | 2 ⓘ |
| openingDate | 1904 ⓘ |
| operatedBy | Parks Canada ⓘ |
| originalPowerSource | gravity-fed water system ⓘ |
| owner |
Canadian federal government (Ottawa)
ⓘ
surface form:
Government of Canada
|
| partOf | Canada’s inland waterway system ⓘ |
| province | Ontario ⓘ |
| seasonalOperation | typically open during summer navigation season ⓘ |
| status | operational ⓘ |
| tourismSignificance | major regional tourist attraction ⓘ |
| uses |
hydraulic rams
ⓘ
water displacement ⓘ |
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.
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.
Subject: Peterborough Lift Lock Description of subject: The Peterborough Lift Lock is a historic hydraulic boat lift in Peterborough, Ontario, renowned as one of the highest hydraulic lift locks in the world and a major engineering landmark on Canada's inland waterway system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.