Saint Marys Falls Canal
E488176
Saint Marys Falls Canal is a key shipping canal at Sault Ste. Marie that enables vessels to bypass the rapids of the St. Marys River between Lake Superior and the lower Great Lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Saint Marys Falls Canal canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5034859 — 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: Saint Marys Falls Canal Context triple: [Great Lakes Waterway, hasPart, Saint Marys Falls Canal]
-
A.
Bellows Falls Canal
Bellows Falls Canal is a historic navigation and power canal in Bellows Falls, Vermont, built to bypass the Connecticut River falls and support local industry.
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B.
Patowmack Canal
The Patowmack Canal was an early American canal project along the Potomac River, championed by George Washington to improve inland navigation and trade in the late 18th century.
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C.
Burlington Canal
The Burlington Canal is a navigational waterway in Ontario, Canada, that provides ship access between Lake Ontario and Hamilton Harbour.
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D.
Cayuga–Seneca Canal
The Cayuga–Seneca Canal is a navigable waterway in upstate New York that links Cayuga and Seneca Lakes to the Erie Canal, facilitating regional transportation and recreation.
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E.
Barkley Canal
Barkley Canal is a man-made waterway in western Kentucky that links Kentucky Lake with Lake Barkley, enabling navigation between the two reservoirs.
- 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: Saint Marys Falls Canal Target entity description: Saint Marys Falls Canal is a key shipping canal at Sault Ste. Marie that enables vessels to bypass the rapids of the St. Marys River between Lake Superior and the lower Great Lakes.
-
A.
Bellows Falls Canal
Bellows Falls Canal is a historic navigation and power canal in Bellows Falls, Vermont, built to bypass the Connecticut River falls and support local industry.
-
B.
Patowmack Canal
The Patowmack Canal was an early American canal project along the Potomac River, championed by George Washington to improve inland navigation and trade in the late 18th century.
-
C.
Burlington Canal
The Burlington Canal is a navigational waterway in Ontario, Canada, that provides ship access between Lake Ontario and Hamilton Harbour.
-
D.
Cayuga–Seneca Canal
The Cayuga–Seneca Canal is a navigable waterway in upstate New York that links Cayuga and Seneca Lakes to the Erie Canal, facilitating regional transportation and recreation.
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E.
Barkley Canal
Barkley Canal is a man-made waterway in western Kentucky that links Kentucky Lake with Lake Barkley, enabling navigation between the two reservoirs.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
shipping canal ⓘ |
| adjacentTo | Sault Ste. Marie International Bridge NERFINISHED ⓘ |
| alsoKnownAs | Sault Ste. Marie Canal (U.S.) NERFINISHED ⓘ |
| bypasses | rapids of the St. Marys River ⓘ |
| city | Sault Ste. Marie, Michigan NERFINISHED ⓘ |
| connectsWaterBody |
Lake Superior
NERFINISHED
ⓘ
lower Great Lakes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | St. Marys River rapids ⓘ |
| governingBody | U.S. federal government NERFINISHED ⓘ |
| hasEconomicRole |
supports grain export from interior North America
ⓘ
supports steel industry supply chain ⓘ |
| hasLock |
Davis Lock
NERFINISHED
ⓘ
MacArthur Lock NERFINISHED ⓘ Poe Lock NERFINISHED ⓘ Sabin Lock NERFINISHED ⓘ |
| hasNavigationSeason | typically March to January ⓘ |
| hasPart | Soo Locks NERFINISHED ⓘ |
| locatedIn | Sault Ste. Marie NERFINISHED ⓘ |
| locatedInBasin | Great Lakes Basin NERFINISHED ⓘ |
| locatedOnWaterway | St. Marys River NERFINISHED ⓘ |
| navigationSystemRole | bottleneck for Lake Superior shipping ⓘ |
| nearBorderWith | Canada NERFINISHED ⓘ |
| nearCity | Sault Ste. Marie, Ontario (across river) NERFINISHED ⓘ |
| openedToTraffic | 19th century ⓘ |
| operatedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| parallelFacility | Sault Ste. Marie Canal (Canada) NERFINISHED ⓘ |
| partOf | Great Lakes navigation system NERFINISHED ⓘ |
| primaryFunction |
bypass rapids for commercial shipping
ⓘ
enable navigation between Lake Superior and lower Great Lakes ⓘ |
| region | Upper Peninsula of Michigan NERFINISHED ⓘ |
| significance |
enables passage of large lake freighters
ⓘ
supports industrial economy of Great Lakes region ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| strategicImportance | critical link in North American inland waterway system ⓘ |
| trafficType |
lake freighters
ⓘ
ocean-going vessels (salties) ⓘ |
| usedFor |
bulk cargo transport
ⓘ
coal transport ⓘ commercial shipping ⓘ general freight transport ⓘ grain transport ⓘ iron ore transport ⓘ stone and aggregate transport ⓘ |
| waterwayClass | Great Lakes–St. Lawrence Seaway system NERFINISHED ⓘ |
| waterwayType | lock canal ⓘ |
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: Saint Marys Falls Canal Description of subject: Saint Marys Falls Canal is a key shipping canal at Sault Ste. Marie that enables vessels to bypass the rapids of the St. Marys River between Lake Superior and the lower Great Lakes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Great Lakes Waterway