Lower St. Anthony Falls Lock and Dam
E365239
The Lower St. Anthony Falls Lock and Dam is a Mississippi River navigation and flood-control structure in Minneapolis that forms part of the historic Saint Anthony Falls riverfront system.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Lower St. Anthony Falls Lock and Dam canonical | 3 |
| Lower St. Anthony Falls Dam | 1 |
| Lower St. Anthony Falls Lock | 1 |
| Saint Anthony Falls riverfront system | 1 |
| St. Anthony Falls Lock and Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3447764 — 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: Lower St. Anthony Falls Lock and Dam Context triple: [Saint Anthony Falls, hasPart, Lower St. Anthony Falls Lock and Dam]
-
A.
Upper St. Anthony Falls Lock and Dam
The Upper St. Anthony Falls Lock and Dam is a former U.S. Army Corps of Engineers navigation structure on the Mississippi River in Minneapolis that once enabled commercial barge traffic to bypass Saint Anthony Falls.
-
B.
Swift Rapids Lock
Swift Rapids Lock is a large lock station on Ontario’s Trent–Severn Waterway, notable for its significant lift and remote, scenic setting.
-
C.
Saint Anthony Falls
Saint Anthony Falls is a historic waterfall on the Mississippi River in Minneapolis that powered the city’s early flour and saw milling industries and shaped its development.
-
D.
Lockport Lock and Dam
Lockport Lock and Dam is a major lock and dam complex on the Chicago Sanitary and Ship Canal that controls water levels, aids navigation, and helps manage flood and wastewater flows between the Chicago area and the Des Plaines River.
-
E.
Webbers Falls Lock and Dam
Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
- 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: Lower St. Anthony Falls Lock and Dam Target entity description: The Lower St. Anthony Falls Lock and Dam is a Mississippi River navigation and flood-control structure in Minneapolis that forms part of the historic Saint Anthony Falls riverfront system.
-
A.
Upper St. Anthony Falls Lock and Dam
The Upper St. Anthony Falls Lock and Dam is a former U.S. Army Corps of Engineers navigation structure on the Mississippi River in Minneapolis that once enabled commercial barge traffic to bypass Saint Anthony Falls.
-
B.
Swift Rapids Lock
Swift Rapids Lock is a large lock station on Ontario’s Trent–Severn Waterway, notable for its significant lift and remote, scenic setting.
-
C.
Saint Anthony Falls
Saint Anthony Falls is a historic waterfall on the Mississippi River in Minneapolis that powered the city’s early flour and saw milling industries and shaped its development.
-
D.
Lockport Lock and Dam
Lockport Lock and Dam is a major lock and dam complex on the Chicago Sanitary and Ship Canal that controls water levels, aids navigation, and helps manage flood and wastewater flows between the Chicago area and the Des Plaines River.
-
E.
Webbers Falls Lock and Dam
Webbers Falls Lock and Dam is a navigation and flood-control structure on the Arkansas River in Oklahoma that forms part of the McClellan–Kerr Arkansas River Navigation System.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Mississippi River infrastructure
ⓘ
flood-control structure ⓘ lock and dam ⓘ navigation structure ⓘ |
| category |
Dams in Minnesota
ⓘ
Locks of the United States ⓘ Mississippi River system locks and dams ⓘ
surface form:
Mississippi River locks and dams
Transportation infrastructure in Minneapolis ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| downstreamFrom | Upper St. Anthony Falls Lock and Dam ⓘ |
| function |
enables commercial navigation on the Mississippi River through Minneapolis
ⓘ
helps control river stages in the Minneapolis reach ⓘ |
| hasComponent |
concrete dam
ⓘ
navigation lock ⓘ |
| hasDam |
Lower St. Anthony Falls Lock and Dam
self-linksurface differs
ⓘ
surface form:
Lower St. Anthony Falls Dam
|
| hasLock |
Lower St. Anthony Falls Lock and Dam
self-linksurface differs
ⓘ
surface form:
Lower St. Anthony Falls Lock
|
| heritageStatus | part of historic Saint Anthony Falls riverfront ⓘ |
| locatedIn |
Hennepin County, Minnesota
NERFINISHED
ⓘ
Minneapolis ⓘ Minnesota ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | main channel of the Mississippi River at Minneapolis ⓘ |
| maintainedBy | U.S. Army Corps of Engineers ⓘ |
| near |
Saint Anthony Falls
ⓘ
downtown Minneapolis ⓘ |
| operatedBy | U.S. Army Corps of Engineers St. Paul District ⓘ |
| partOf |
Mississippi National River and Recreation Area
ⓘ
surface form:
Mississippi National River and Recreation Area vicinity
Lower St. Anthony Falls Lock and Dam self-linksurface differs ⓘ
surface form:
Saint Anthony Falls riverfront system
Mississippi River system locks and dams ⓘ
surface form:
Upper Mississippi River 9-Foot Channel Project
|
| purpose |
flood control
ⓘ
navigation ⓘ water level regulation ⓘ |
| region | Midwestern United States ⓘ |
| river | Mississippi River ⓘ |
| upstreamFrom | Lock and Dam No. 1 ⓘ |
| usedFor |
barge traffic
ⓘ
recreational boat passage ⓘ |
| waterway |
Mississippi River
ⓘ
surface form:
Upper Mississippi River
|
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: Lower St. Anthony Falls Lock and Dam Description of subject: The Lower St. Anthony Falls Lock and Dam is a Mississippi River navigation and flood-control structure in Minneapolis that forms part of the historic Saint Anthony Falls riverfront system.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
St. Anthony Falls Lock and Dam
Lower St. Anthony Falls Lock and Dam
→
partOf
→
Lower St. Anthony Falls Lock and Dam
self-linksurface differs
ⓘ
this entity surface form:
Saint Anthony Falls riverfront system
Lower St. Anthony Falls Lock and Dam
→
hasLock
→
Lower St. Anthony Falls Lock and Dam
self-linksurface differs
ⓘ
this entity surface form:
Lower St. Anthony Falls Lock
Lower St. Anthony Falls Lock and Dam
→
hasDam
→
Lower St. Anthony Falls Lock and Dam
self-linksurface differs
ⓘ
this entity surface form:
Lower St. Anthony Falls Dam