Mono Lake
E149055
Mono Lake is a large, ancient saline soda lake in eastern California renowned for its striking tufa towers, high salinity, and unique ecosystem supporting migratory birds and brine shrimp.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Mono Lake canonical | 25 |
| Mono Lake islands | 2 |
| Mono Lake Basin | 1 |
| Mono Lake tufa formations | 1 |
| Mono Lake watershed | 1 |
| Mono Lake, California | 1 |
| Mono Lake, Mono County, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1214091 — 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: Mono Lake Context triple: [Mono County, contains, Mono Lake]
-
A.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
-
B.
Owens Lake
Owens Lake is a largely dry, saline lake in California’s Eastern Sierra region, known for its dust pollution issues and ongoing environmental restoration efforts.
-
C.
San Andreas Lake
San Andreas Lake is a long, narrow reservoir on the San Francisco Peninsula in California, best known for lending its name to the nearby San Andreas Fault.
-
D.
Soda Lake
Soda Lake is a dry alkali lakebed in the Mojave Desert of California, known for its white mineral crusts and stark desert landscape.
-
E.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
- 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: Mono Lake Target entity description: Mono Lake is a large, ancient saline soda lake in eastern California renowned for its striking tufa towers, high salinity, and unique ecosystem supporting migratory birds and brine shrimp.
-
A.
Salton Sea
The Salton Sea is a large, saline, endorheic lake in the Colorado Desert of Southern California, known for its fluctuating water levels, high salinity, and significant environmental and ecological challenges.
-
B.
Owens Lake
Owens Lake is a largely dry, saline lake in California’s Eastern Sierra region, known for its dust pollution issues and ongoing environmental restoration efforts.
-
C.
San Andreas Lake
San Andreas Lake is a long, narrow reservoir on the San Francisco Peninsula in California, best known for lending its name to the nearby San Andreas Fault.
-
D.
Soda Lake
Soda Lake is a dry alkali lakebed in the Mojave Desert of California, known for its white mineral crusts and stark desert landscape.
-
E.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
endorheic lake
ⓘ
natural lake ⓘ saline soda lake ⓘ |
| age | over 760,000 years ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| climate | semi-arid ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevation |
about 1,946 meters above sea level
ⓘ
about 6,378 feet above sea level ⓘ |
| governedBy | California State Water Resources Control Board ⓘ |
| hasFeature |
islands
ⓘ
tufa towers ⓘ |
| hasInflow |
Lee Vining Creek
ⓘ
Mill Creek ⓘ Rush Creek ⓘ |
| hasIsland |
Negit Island
NERFINISHED
ⓘ
Paoha Island ⓘ |
| hasLegalCase |
Mono Lake water rights litigation
ⓘ
surface form:
National Audubon Society v. Superior Court (Mono Lake case)
|
| hasOutflow | none ⓘ |
| is | endorheic (closed basin) ⓘ |
| isImportantFor |
Pacific Flyway birds
ⓘ
bird migration ⓘ |
| isOneOf | oldest lakes in North America ⓘ |
| knownFor |
dramatic tufa formations
ⓘ
high salinity ⓘ scenic landscape ⓘ unique ecosystem ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
eastern California ⓘ
surface form:
Eastern California
Mono County, California ⓘ |
| locatedNear |
Sierra Nevada
ⓘ
surface form:
Sierra Nevada (U.S.)
Yosemite National Park ⓘ |
| protectedBy |
Mono Basin National Forest Scenic Area
ⓘ
Mono Lake Tufa State Natural Reserve ⓘ |
| region | Great Basin ⓘ |
| salinity | about 2.5 times seawater (historically variable) ⓘ |
| subjectOf | Mono Lake Committee conservation efforts ⓘ |
| supportsSpecies |
alkaline flies
ⓘ
brine shrimp ⓘ migratory birds ⓘ |
| surfaceArea |
about 180 square kilometers
ⓘ
about 70 square miles ⓘ |
| threatenedBy | water diversions to Los Angeles ⓘ |
| tourismActivity |
birdwatching
ⓘ
kayaking ⓘ photography ⓘ |
| waterType |
alkaline
ⓘ
saline ⓘ |
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: Mono Lake Description of subject: Mono Lake is a large, ancient saline soda lake in eastern California renowned for its striking tufa towers, high salinity, and unique ecosystem supporting migratory birds and brine shrimp.
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern California
this entity surface form:
Mono Lake tufa formations
this entity surface form:
Mono Lake Basin
this entity surface form:
Mono Lake, California
subject surface form:
State Route 167 (California)
this entity surface form:
Mono Lake watershed
this entity surface form:
Mono Lake, Mono County, California
subject surface form:
Mill Creek (Mono Basin)
subject surface form:
Mill Creek (Mono Basin)
this entity surface form:
Mono Lake islands
this entity surface form:
Mono Lake islands