Fort Peck Lake
E134243
Fort Peck Lake is a large man-made reservoir in northeastern Montana, created by Fort Peck Dam, known for its extensive shoreline, recreation opportunities, and role in Missouri River water management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Peck Lake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T989669 — 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: Fort Peck Lake Context triple: [Missouri River, passesThrough, Fort Peck Lake]
-
A.
Siskiwit Lake
Siskiwit Lake is a large inland lake on Isle Royale in Lake Superior, known for its clear waters, remote wilderness setting, and recreational fishing opportunities.
-
B.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
C.
Convict Lake
Convict Lake is a scenic alpine lake in California’s Eastern Sierra Nevada, renowned for its dramatic mountain backdrop, clear waters, and outdoor recreation opportunities like fishing and hiking.
-
D.
Donner Lake
Donner Lake is a scenic alpine lake in the Sierra Nevada of California, known for its clear waters, recreational activities, and historical association with the Donner Party.
-
E.
Medicine Lake
Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
- 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: Fort Peck Lake Target entity description: Fort Peck Lake is a large man-made reservoir in northeastern Montana, created by Fort Peck Dam, known for its extensive shoreline, recreation opportunities, and role in Missouri River water management.
-
A.
Siskiwit Lake
Siskiwit Lake is a large inland lake on Isle Royale in Lake Superior, known for its clear waters, remote wilderness setting, and recreational fishing opportunities.
-
B.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
C.
Convict Lake
Convict Lake is a scenic alpine lake in California’s Eastern Sierra Nevada, renowned for its dramatic mountain backdrop, clear waters, and outdoor recreation opportunities like fishing and hiking.
-
D.
Donner Lake
Donner Lake is a scenic alpine lake in the Sierra Nevada of California, known for its clear waters, recreational activities, and historical association with the Donner Party.
-
E.
Medicine Lake
Medicine Lake is a high-elevation lake in northeastern California, situated within the caldera of the Medicine Lake Volcano and known for its scenic, forested setting and recreational opportunities.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Fort Peck Dam ⓘ |
| creationPeriod | 1930s ⓘ |
| fishSpecies |
channel catfish
ⓘ
chinook salmon ⓘ lake trout ⓘ northern pike ⓘ smallmouth bass ⓘ walleye ⓘ |
| formedByDam | Fort Peck Dam ⓘ |
| hasProtectedAreaOnShore | Charles M. Russell National Wildlife Refuge ⓘ |
| knownFor |
boating
ⓘ
camping ⓘ extensive shoreline ⓘ fishing opportunities ⓘ wildlife viewing ⓘ |
| locatedIn |
Garfield County, Montana
ⓘ
McCone County, Montana ⓘ Montana ⓘ Phillips County, Montana ⓘ Roosevelt County, Montana ⓘ Valley County, Montana ⓘ |
| locatedInRegion | northeastern Montana ⓘ |
| locatedOnRiver | Missouri River ⓘ |
| managingAgency |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| nearbySettlement |
Fort Peck, Montana
ⓘ
Havre, Montana ⓘ
surface form:
Glasgow, Montana
|
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| partOf |
Fort Peck Dam
ⓘ
surface form:
Fort Peck Project
Missouri River reservoir system ⓘ
surface form:
Missouri River Mainstem Reservoir System
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation water supply ⓘ navigation support ⓘ recreation ⓘ |
| recreationActivity |
hunting in surrounding areas
ⓘ
sailing ⓘ sport fishing ⓘ water skiing ⓘ |
| roleInWaterManagement |
Missouri River flow regulation
ⓘ
drought storage ⓘ ice control on Missouri River ⓘ |
| shoreLength | over 1500 miles ⓘ |
| state | Montana ⓘ |
| watercourse | Missouri 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: Fort Peck Lake Description of subject: Fort Peck Lake is a large man-made reservoir in northeastern Montana, created by Fort Peck Dam, known for its extensive shoreline, recreation opportunities, and role in Missouri River water management.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.