Big Lost River basin
E1009171
The Big Lost River basin is a semi-arid, internally drained watershed in south-central Idaho known for its disappearing river that sinks into the Snake River Plain aquifer rather than reaching the ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Big Lost River basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12909283 — 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: Big Lost River basin Context triple: [Pioneer Mountains (Idaho), drainageBasin, Big Lost River basin]
-
A.
Son River basin
The Son River basin is a major river drainage area in central and eastern India, encompassing parts of Madhya Pradesh, Chhattisgarh, Uttar Pradesh, Jharkhand, and Bihar, and serving as an important tributary system of the Ganges.
-
B.
Cheat River basin
The Cheat River basin is a watershed in the Allegheny Mountains of West Virginia and Pennsylvania that collects runoff from highland areas, including Cheat Mountain, before draining into the Monongahela River system.
-
C.
Tonto Creek watershed
The Tonto Creek watershed is a drainage basin in central Arizona that collects and channels water from surrounding mountains through Tonto Creek toward the Salt River system.
-
D.
Colusa Basin Drain
Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
-
E.
Acelhuate River basin
The Acelhuate River basin is a watershed in central El Salvador that drains much of the San Salvador metropolitan area and is known for severe urban pollution and flood risk.
- 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: Big Lost River basin Target entity description: The Big Lost River basin is a semi-arid, internally drained watershed in south-central Idaho known for its disappearing river that sinks into the Snake River Plain aquifer rather than reaching the ocean.
-
A.
Son River basin
The Son River basin is a major river drainage area in central and eastern India, encompassing parts of Madhya Pradesh, Chhattisgarh, Uttar Pradesh, Jharkhand, and Bihar, and serving as an important tributary system of the Ganges.
-
B.
Cheat River basin
The Cheat River basin is a watershed in the Allegheny Mountains of West Virginia and Pennsylvania that collects runoff from highland areas, including Cheat Mountain, before draining into the Monongahela River system.
-
C.
Tonto Creek watershed
The Tonto Creek watershed is a drainage basin in central Arizona that collects and channels water from surrounding mountains through Tonto Creek toward the Salt River system.
-
D.
Colusa Basin Drain
Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
-
E.
Acelhuate River basin
The Acelhuate River basin is a watershed in central El Salvador that drains much of the San Salvador metropolitan area and is known for severe urban pollution and flood risk.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
endorheic basin
ⓘ
river basin ⓘ watershed ⓘ |
| climate | semi-arid ⓘ |
| contains |
Arco Desert
NERFINISHED
ⓘ
Big Lost River valley NERFINISHED ⓘ Copper Basin NERFINISHED ⓘ Lost River Range NERFINISHED ⓘ Mackay Reservoir NERFINISHED ⓘ Pahsimeroi Range NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| doesNotDrainTo | ocean ⓘ |
| drainagePattern | disappearing river ⓘ |
| drainageType | internally drained ⓘ |
| ecoregion |
Cold desert shrublands
ⓘ
Montane forests ⓘ |
| hasCharacteristic |
ephemeral lower river reaches
ⓘ
high evapotranspiration relative to precipitation ⓘ |
| highestPoint | Lost River Range NERFINISHED ⓘ |
| hydrologicFeature | losing stream reaches ⓘ |
| hydrologicInput |
mountain precipitation
ⓘ
snowmelt ⓘ |
| hydrologicOutput |
evapotranspiration
ⓘ
groundwater recharge ⓘ |
| hydrologicProcess | infiltration into basalt and alluvial deposits ⓘ |
| knownFor |
contribution to Eastern Snake River Plain aquifer recharge
ⓘ
river that disappears into the ground ⓘ |
| landUse |
irrigated agriculture
ⓘ
rangeland grazing ⓘ recreation ⓘ |
| locatedIn |
Idaho
ⓘ
south-central Idaho ⓘ |
| locatedOn | northern edge of the Snake River Plain ⓘ |
| majorAquiferConnection | Eastern Snake River Plain aquifer NERFINISHED ⓘ |
| namedAfter | Big Lost River NERFINISHED ⓘ |
| outflow | Snake River Plain aquifer NERFINISHED ⓘ |
| partOf | Great Basin–Snake River transition zone NERFINISHED ⓘ |
| primaryRiver | Big Lost River NERFINISHED ⓘ |
| region | Intermountain West NERFINISHED ⓘ |
| stateHydrologicUnit | Idaho hydrologic basin ⓘ |
| surfaceWaterToGroundwaterInteraction | significant ⓘ |
| typicalPrecipitationForm |
rain in valley floors
GENERATED
ⓘ
snow in higher elevations GENERATED ⓘ |
| waterManagementIssue |
drought sensitivity
ⓘ
groundwater–surface water interaction ⓘ irrigation demand ⓘ |
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: Big Lost River basin Description of subject: The Big Lost River basin is a semi-arid, internally drained watershed in south-central Idaho known for its disappearing river that sinks into the Snake River Plain aquifer rather than reaching the ocean.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.