An Index to the Geology of the Northern States
E463780
"An Index to the Geology of the Northern States" is an early 19th-century geological reference work that systematically catalogues and describes the rock formations and mineral resources of the northern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| An Index to the Geology of the Northern States canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4706297 — 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: An Index to the Geology of the Northern States Context triple: [Amos Eaton, published, An Index to the Geology of the Northern States]
-
A.
U.S. Geological Exploration of the Fortieth Parallel
The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
-
B.
Second Geological Survey of Pennsylvania
The Second Geological Survey of Pennsylvania was a comprehensive 19th-century state-sponsored scientific effort that systematically mapped and analyzed Pennsylvania’s geology, mineral resources, and topography, greatly advancing geological knowledge and resource development in the region.
-
C.
U.S. Geographical and Geological Survey of the Rocky Mountain Region
The U.S. Geographical and Geological Survey of the Rocky Mountain Region was a 19th-century federal scientific survey that conducted pioneering geological and topographical investigations across the Rocky Mountains in the American West.
-
D.
The Elements of Geology
The Elements of Geology is a foundational 19th-century textbook by Charles Lyell that helped establish modern geological science and popularize uniformitarian principles.
-
E.
Reports on the geology of New Jersey
"Reports on the Geology of New Jersey" is a foundational 19th-century geological survey that systematically documents the state's rock formations, mineral resources, and geological structure.
- 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: An Index to the Geology of the Northern States Target entity description: "An Index to the Geology of the Northern States" is an early 19th-century geological reference work that systematically catalogues and describes the rock formations and mineral resources of the northern United States.
-
A.
U.S. Geological Exploration of the Fortieth Parallel
The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
-
B.
Second Geological Survey of Pennsylvania
The Second Geological Survey of Pennsylvania was a comprehensive 19th-century state-sponsored scientific effort that systematically mapped and analyzed Pennsylvania’s geology, mineral resources, and topography, greatly advancing geological knowledge and resource development in the region.
-
C.
U.S. Geographical and Geological Survey of the Rocky Mountain Region
The U.S. Geographical and Geological Survey of the Rocky Mountain Region was a 19th-century federal scientific survey that conducted pioneering geological and topographical investigations across the Rocky Mountains in the American West.
-
D.
The Elements of Geology
The Elements of Geology is a foundational 19th-century textbook by Charles Lyell that helped establish modern geological science and popularize uniformitarian principles.
-
E.
Reports on the geology of New Jersey
"Reports on the Geology of New Jersey" is a foundational 19th-century geological survey that systematically documents the state's rock formations, mineral resources, and geological structure.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
book
ⓘ
geological reference work ⓘ non-fiction work ⓘ |
| chronologyOfSubject | 19th century geology ⓘ |
| countryOfSubject | United States of America ⓘ |
| describes |
mineral resources of the northern United States
ⓘ
rock formations of the northern United States ⓘ |
| documentType | reference work ⓘ |
| focusesOn | northern United States ⓘ |
| genre | geology ⓘ |
| hasPart |
descriptions of mineral resources
ⓘ
systematic catalogue of rock formations ⓘ |
| historicalContext | early American geological literature ⓘ |
| intendedAudience |
geologists
ⓘ
scientific researchers ⓘ students of geology ⓘ |
| language | English ⓘ |
| mainSubject |
geology of the northern United States
ⓘ
mineral resources ⓘ rock formations ⓘ |
| publicationPeriod | early 19th century ⓘ |
| purpose |
to catalogue geological formations
ⓘ
to describe mineral resources ⓘ |
| scientificDiscipline | geology ⓘ |
| workType | systematic index ⓘ |
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: An Index to the Geology of the Northern States Description of subject: "An Index to the Geology of the Northern States" is an early 19th-century geological reference work that systematically catalogues and describes the rock formations and mineral resources of the northern United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.