South Basin
E265657
South Basin is a prominent glacial cirque on Maine’s Mount Katahdin, characterized by steep rock walls and a bowl-shaped valley formed by ancient glacial erosion.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2423603 — 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: South Basin Context triple: [Mount Katahdin, hasGlacialCirque, South Basin]
-
A.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
B.
Alvord Basin
Alvord Basin is an arid endorheic basin in southeastern Oregon known for its expansive playa, surrounding mountain ranges, and striking high-desert landscape.
-
C.
Palisade Basin
Palisade Basin is a high-elevation alpine basin in California’s Sierra Nevada, known for its rugged granite peaks, glacial lakes, and remote backcountry setting.
-
D.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
E.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
- 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: South Basin Target entity description: South Basin is a prominent glacial cirque on Maine’s Mount Katahdin, characterized by steep rock walls and a bowl-shaped valley formed by ancient glacial erosion.
-
A.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
B.
Alvord Basin
Alvord Basin is an arid endorheic basin in southeastern Oregon known for its expansive playa, surrounding mountain ranges, and striking high-desert landscape.
-
C.
Palisade Basin
Palisade Basin is a high-elevation alpine basin in California’s Sierra Nevada, known for its rugged granite peaks, glacial lakes, and remote backcountry setting.
-
D.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
E.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
glacial cirque
ⓘ
landform ⓘ |
| bedrockType | granite ⓘ |
| climateZone | humid continental climate ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainage | headwaters of local streams on Mount Katahdin ⓘ |
| ecosystemType |
alpine environment
ⓘ
subalpine environment ⓘ |
| formationProcess | glacial erosion ⓘ |
| geologicalOrigin | Pleistocene glaciation ⓘ |
| geomorphologicalFeature | cirque ⓘ |
| hasCharacteristic |
prominent cirque on Mount Katahdin
ⓘ
steep rock walls ⓘ |
| hasRecreationActivity |
backcountry hiking
ⓘ
scrambling ⓘ technical climbing ⓘ |
| landformType | glacial valley ⓘ |
| locatedIn |
Baxter State Park
ⓘ
Maine ⓘ United States of America ⓘ
surface form:
United States
|
| locatedOn | Mount Katahdin ⓘ |
| managementAuthority |
Baxter State Park
ⓘ
surface form:
Baxter State Park Authority
|
| mountainRange | Appalachian Mountains ⓘ |
| nearestSummit |
Baxter Peak
ⓘ
Hamlin Peak ⓘ |
| notableFor |
classic example of alpine glaciation on Mount Katahdin
ⓘ
dramatic cirque walls ⓘ |
| partOf |
Baxter State Park
ⓘ
surface form:
Baxter State Park backcountry
Mount Katahdin ⓘ
surface form:
Katahdin massif
|
| protectedAreaStatus | within Baxter State Park wilderness protections ⓘ |
| relativeLocation | southern side of Mount Katahdin massif ⓘ |
| shape | bowl-shaped valley ⓘ |
| state | Maine ⓘ |
| surfaceMaterial | bedrock ⓘ |
| tourismType |
hiking destination
ⓘ
mountaineering destination ⓘ |
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: South Basin Description of subject: South Basin is a prominent glacial cirque on Maine’s Mount Katahdin, characterized by steep rock walls and a bowl-shaped valley formed by ancient glacial erosion.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.