Amoskeag Dam
E672779
Amoskeag Dam is a hydroelectric dam on the Merrimack River in Manchester, New Hampshire, built to harness the power of Amoskeag Falls for industrial and energy production.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amoskeag Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7540631 — 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: Amoskeag Dam Context triple: [Amoskeag Falls, associatedWithStructure, Amoskeag Dam]
-
A.
Skowhegan Dam
Skowhegan Dam is a hydroelectric dam on the Kennebec River in Skowhegan, Maine, used for power generation and river flow control.
-
B.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
-
C.
Holyoke Dam
Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
-
D.
Rumford Falls Dam
Rumford Falls Dam is a hydroelectric dam located at Rumford Falls on the Androscoggin River in Rumford, Maine.
-
E.
Bellows Falls Dam
Bellows Falls Dam is a hydroelectric dam on the Connecticut River that provides power and helps regulate water flow near the village of Bellows Falls in Vermont.
- 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: Amoskeag Dam Target entity description: Amoskeag Dam is a hydroelectric dam on the Merrimack River in Manchester, New Hampshire, built to harness the power of Amoskeag Falls for industrial and energy production.
-
A.
Skowhegan Dam
Skowhegan Dam is a hydroelectric dam on the Kennebec River in Skowhegan, Maine, used for power generation and river flow control.
-
B.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
-
C.
Holyoke Dam
Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
-
D.
Rumford Falls Dam
Rumford Falls Dam is a hydroelectric dam located at Rumford Falls on the Androscoggin River in Rumford, Maine.
-
E.
Bellows Falls Dam
Bellows Falls Dam is a hydroelectric dam on the Connecticut River that provides power and helps regulate water flow near the village of Bellows Falls in Vermont.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| associatedWith | Amoskeag Manufacturing Company NERFINISHED ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| builtToHarness | Amoskeag Falls NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Merrimack River NERFINISHED ⓘ |
| hasAssociatedStructure |
hydroelectric power station
ⓘ
intake gates ⓘ spillway ⓘ turbines ⓘ |
| hasEnergySource | hydropower ⓘ |
| hasEnvironmentalImpact |
barrier to fish migration
ⓘ
modification of Merrimack River flow ⓘ |
| hasFunction |
head creation for turbines
ⓘ
river flow regulation ⓘ |
| hasNearbyCity | Manchester, New Hampshire NERFINISHED ⓘ |
| hasPart | Amoskeag Falls NERFINISHED ⓘ |
| hasUse |
electricity generation
ⓘ
industrial development support ⓘ |
| historicalUse | power supply for Amoskeag Manufacturing Company ⓘ |
| isInCity | Manchester, New Hampshire NERFINISHED ⓘ |
| isInfrastructureType | hydroelectric infrastructure ⓘ |
| isInMetropolitanArea | Manchester metropolitan area NERFINISHED ⓘ |
| isLocatedInWatershed | Merrimack River watershed NERFINISHED ⓘ |
| isNamedAfter | Amoskeag Falls NERFINISHED ⓘ |
| isPartOfIndustry |
electric power industry
ⓘ
hydroelectric power industry ⓘ |
| locatedIn |
Hillsborough County, New Hampshire
NERFINISHED
ⓘ
Manchester, New Hampshire NERFINISHED ⓘ New Hampshire ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNear | downtown Manchester, New Hampshire NERFINISHED ⓘ |
| locatedOnRiver | Merrimack River NERFINISHED ⓘ |
| locatedUpstreamOf | Amoskeag Falls tailrace NERFINISHED ⓘ |
| near |
Amoskeag Bridge
NERFINISHED
ⓘ
Interstate 293 in New Hampshire NERFINISHED ⓘ |
| operator | Eversource Energy NERFINISHED ⓘ |
| owner | Eversource Energy NERFINISHED ⓘ |
| partOf | Merrimack River hydroelectric system ⓘ |
| purpose |
hydroelectric power generation
ⓘ
industrial power supply ⓘ |
| region | New England NERFINISHED ⓘ |
| waterbody | Merrimack River NERFINISHED ⓘ |
| watercourse | Merrimack River NERFINISHED ⓘ |
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: Amoskeag Dam Description of subject: Amoskeag Dam is a hydroelectric dam on the Merrimack River in Manchester, New Hampshire, built to harness the power of Amoskeag Falls for industrial and energy production.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.