Indiana limestone district
E899748
The Indiana limestone district is a geologic and industrial region in south-central Indiana renowned for its extensive high-quality limestone quarries that have supplied stone for major buildings across the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Indiana limestone district canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11027505 — 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: Indiana limestone district Context triple: [Oolitic, Indiana, partOf, Indiana limestone district]
-
A.
Southwestern Indiana
Southwestern Indiana is a region of Indiana centered around the city of Evansville, known for its Ohio River location, manufacturing base, and blend of Midwestern and Southern cultural influences.
-
B.
Western District of Pennsylvania
The Western District of Pennsylvania is a federal judicial district in Pennsylvania that encompasses the western portion of the state, including cities such as Pittsburgh and Erie.
-
C.
Miami Valley region of Indiana
The Miami Valley region of Indiana is a historical and geographic area in north-central Indiana associated with the Wabash River valley and the Miami people, encompassing communities such as Peru.
-
D.
Western District of Kentucky
The Western District of Kentucky is a federal judicial district of the United States District Court system that serves the western portion of the state of Kentucky.
-
E.
Lincoln district
Lincoln district is a local government district in the city of Lincoln, serving as an administrative area within the county of Lincolnshire in England.
- 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: Indiana limestone district Target entity description: The Indiana limestone district is a geologic and industrial region in south-central Indiana renowned for its extensive high-quality limestone quarries that have supplied stone for major buildings across the United States.
-
A.
Southwestern Indiana
Southwestern Indiana is a region of Indiana centered around the city of Evansville, known for its Ohio River location, manufacturing base, and blend of Midwestern and Southern cultural influences.
-
B.
Western District of Pennsylvania
The Western District of Pennsylvania is a federal judicial district in Pennsylvania that encompasses the western portion of the state, including cities such as Pittsburgh and Erie.
-
C.
Miami Valley region of Indiana
The Miami Valley region of Indiana is a historical and geographic area in north-central Indiana associated with the Wabash River valley and the Miami people, encompassing communities such as Peru.
-
D.
Western District of Kentucky
The Western District of Kentucky is a federal judicial district of the United States District Court system that serves the western portion of the state of Kentucky.
-
E.
Lincoln district
Lincoln district is a local government district in the city of Lincoln, serving as an administrative area within the county of Lincolnshire in England.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geologic region
ⓘ
industrial region ⓘ limestone quarrying district ⓘ |
| associatedOrganization | Indiana Limestone Institute of America NERFINISHED ⓘ |
| climateImpact | subject to freeze-thaw weathering studies ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicImportance | major U.S. source of dimension limestone ⓘ |
| exportedTo | multiple U.S. states ⓘ |
| extendsThrough |
Lawrence County, Indiana
NERFINISHED
ⓘ
Monroe County, Indiana NERFINISHED ⓘ Orange County, Indiana NERFINISHED ⓘ Owen County, Indiana NERFINISHED ⓘ Washington County, Indiana NERFINISHED ⓘ |
| geologicAge | Mississippian ⓘ |
| geologicPeriod | Carboniferous ⓘ |
| geologicProvince | Illinois Basin NERFINISHED ⓘ |
| hasHeritage | historic stone industry ⓘ |
| hasReputation | uniform texture and grade of stone ⓘ |
| industrialActivity |
limestone quarrying
ⓘ
stone cutting ⓘ stone fabrication ⓘ |
| knownFor |
building stone quarries
ⓘ
dimension stone production ⓘ high-quality limestone ⓘ |
| locatedIn |
Indiana
ⓘ
Midwestern United States ⓘ south-central Indiana ⓘ |
| majorCenter |
Bedford, Indiana
NERFINISHED
ⓘ
Bloomington, Indiana NERFINISHED ⓘ Oolitic, Indiana NERFINISHED ⓘ |
| materialUsedFor |
bridges
ⓘ
building facades ⓘ government buildings ⓘ monuments ⓘ university buildings ⓘ |
| miningMethod | open-pit quarrying ⓘ |
| notableUseIn |
Chicago Tribune Tower
NERFINISHED
ⓘ
Empire State Building NERFINISHED ⓘ National Cathedral NERFINISHED ⓘ Pentagon NERFINISHED ⓘ Rockefeller Center NERFINISHED ⓘ |
| primaryLithology | Salem Limestone NERFINISHED ⓘ |
| regulatoryBody | Indiana Department of Natural Resources NERFINISHED ⓘ |
| rockType | limestone ⓘ |
| stoneTradeName |
Bedford limestone
NERFINISHED
ⓘ
Indiana Limestone NERFINISHED ⓘ Indiana Oolitic Limestone NERFINISHED ⓘ |
| supportsIndustry |
architectural stone industry
ⓘ
construction industry ⓘ |
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: Indiana limestone district Description of subject: The Indiana limestone district is a geologic and industrial region in south-central Indiana renowned for its extensive high-quality limestone quarries that have supplied stone for major buildings across the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.