Geological survey reports of Michigan
E949297
Geological survey reports of Michigan are foundational 19th-century scientific documents that systematically mapped and described Michigan’s geology, mineral resources, and natural features under the direction of state geologist Douglass Houghton.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Geological survey reports of Michigan canonical | 1 |
| Michigan state geological survey | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11845463 — 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: Geological survey reports of Michigan Context triple: [Douglass Houghton, notableWork, Geological survey reports of Michigan]
-
A.
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.
-
B.
An Index to the Geology of the Northern States
"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.
-
C.
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.
-
D.
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.
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E.
West Virginia Geological and Economic Survey
The West Virginia Geological and Economic Survey is a state agency that researches, maps, and provides information on West Virginia’s geology, natural resources, and related economic development.
- 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: Geological survey reports of Michigan Target entity description: Geological survey reports of Michigan are foundational 19th-century scientific documents that systematically mapped and described Michigan’s geology, mineral resources, and natural features under the direction of state geologist Douglass Houghton.
-
A.
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.
-
B.
An Index to the Geology of the Northern States
"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.
-
C.
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.
-
D.
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.
-
E.
West Virginia Geological and Economic Survey
The West Virginia Geological and Economic Survey is a state agency that researches, maps, and provides information on West Virginia’s geology, natural resources, and related economic development.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
geological survey report series
ⓘ
historical document ⓘ scientific publication ⓘ |
| appliesToJurisdiction |
State of Michigan
ⓘ
linked to:
Michigan
|
| author | Douglass Houghton ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| describedBySource |
Michigan state geological survey
ⓘ
linked to:
Geological survey reports of Michigan
|
| editor | Douglass Houghton ⓘ |
| field |
economic geology
ⓘ
geology ⓘ mineralogy ⓘ natural history ⓘ |
| genre |
government report
ⓘ
scientific report ⓘ |
| hasPart |
annual geological survey reports of Michigan
ⓘ
descriptions of Lake Superior shoreline geology ⓘ descriptions of Lower Peninsula geology ⓘ descriptions of Upper Peninsula geology ⓘ descriptions of glacial features ⓘ descriptions of soils and surface deposits ⓘ descriptions of stratigraphy ⓘ illustrated geological cross-sections ⓘ maps of Michigan’s geological formations ⓘ sections on coal and other minerals ⓘ sections on copper deposits ⓘ sections on iron ore deposits ⓘ special reports on Michigan’s mineral resources ⓘ statistical tables of mineral production ⓘ topographic sketches and maps ⓘ |
| historicalPeriod | 19th-century American geology ⓘ |
| inception | 1837 ⓘ |
| influenced |
development of Michigan’s mining industry
ⓘ
subsequent geological mapping in Michigan ⓘ |
| language | English ⓘ |
| locationOfCreation | Michigan ⓘ |
| mainSubject |
Lake Superior copper district
ⓘ
geology of Michigan ⓘ iron ore districts of Michigan ⓘ mineral resources of Michigan ⓘ topography of Michigan ⓘ |
| publicationPeriod | 19th century ⓘ |
| publisher |
State of Michigan
ⓘ
linked to:
Michigan
|
| purpose |
to describe Michigan’s mineral resources
ⓘ
to inform resource development and land use ⓘ to systematically map Michigan’s geology ⓘ |
| significantEvent | early systematic mapping of Michigan geology ⓘ |
| significantPerson | Douglass Houghton ⓘ |
| superintendent | Douglass Houghton ⓘ |
| titleLanguage | English ⓘ |
| usedBy |
geologists
ⓘ
historians of science ⓘ mining engineers ⓘ |
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: Geological survey reports of Michigan Description of subject: Geological survey reports of Michigan are foundational 19th-century scientific documents that systematically mapped and described Michigan’s geology, mineral resources, and natural features under the direction of state geologist Douglass Houghton.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Geological survey reports of Michigan