Rochester mining district
E536113
The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rochester mining district canonical | 1 |
| Ruth mine (historical association) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5571393 — 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: Rochester mining district Context triple: [Nevada mining districts, hasPart, Rochester mining district]
-
A.
St Agnes Mining District
St Agnes Mining District is a historic mining area on the north coast of Cornwall, England, known for its former tin and copper mines and distinctive industrial heritage landscape.
-
B.
Tuscarora mining district
The Tuscarora mining district is a historic gold- and silver-mining area in northeastern Nevada that flourished in the late 19th century as part of the state’s broader mining boom.
-
C.
Bullfrog mining district
The Bullfrog mining district was an early 20th-century gold-mining area in southwestern Nevada that spurred the rapid growth of nearby boomtowns such as Rhyolite and Beatty.
-
D.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
E.
Tri-State mining district
The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.
- 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: Rochester mining district Target entity description: The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
-
A.
St Agnes Mining District
St Agnes Mining District is a historic mining area on the north coast of Cornwall, England, known for its former tin and copper mines and distinctive industrial heritage landscape.
-
B.
Tuscarora mining district
The Tuscarora mining district is a historic gold- and silver-mining area in northeastern Nevada that flourished in the late 19th century as part of the state’s broader mining boom.
-
C.
Bullfrog mining district
The Bullfrog mining district was an early 20th-century gold-mining area in southwestern Nevada that spurred the rapid growth of nearby boomtowns such as Rhyolite and Beatty.
-
D.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
E.
Tri-State mining district
The Tri-State mining district was a historically significant lead and zinc mining region spanning parts of Kansas, Missouri, and Oklahoma in the central United States.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic place
ⓘ
mining district ⓘ |
| contains |
abandoned mine workings
ⓘ
historic mining structures ⓘ mine dumps ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| declinePeriod | 1930s ⓘ |
| discovered | 1860s ⓘ |
| economicImportance |
important gold producer in Nevada
ⓘ
major silver producer in Nevada ⓘ |
| geologicProvince | Basin and Range Province NERFINISHED ⓘ |
| hasEnvironmentalConcern | mine waste management ⓘ |
| hasResourceType | precious metals ⓘ |
| hasSettlement |
Lower Rochester (ghost town)
NERFINISHED
ⓘ
Rochester, Nevada (ghost town) NERFINISHED ⓘ Upper Rochester (ghost town) NERFINISHED ⓘ |
| historicUse | hard-rock mining ⓘ |
| hostRock | volcanic rocks ⓘ |
| knownFor |
significant gold production
ⓘ
significant silver production ⓘ |
| locatedIn |
Great Basin
NERFINISHED
ⓘ
Nevada ⓘ Pershing County, Nevada NERFINISHED ⓘ Rochester Canyon NERFINISHED ⓘ |
| majorDevelopmentPeriod |
early 20th century
ⓘ
late 19th century ⓘ |
| miningMethod |
open-pit mining
ⓘ
underground mining ⓘ |
| near | Lovelock, Nevada NERFINISHED ⓘ |
| notableMine |
Coeur Rochester mine
NERFINISHED
ⓘ
Nevada Packard mine NERFINISHED ⓘ |
| operatedBy | Coeur Rochester mine NERFINISHED ⓘ |
| operator | Coeur Mining, Inc. NERFINISHED ⓘ |
| oreType |
disseminated silver-gold deposits
ⓘ
epithermal vein deposits ⓘ |
| partOf | Rochester mining area NERFINISHED ⓘ |
| peakProductionEra |
1910s
ⓘ
1920s ⓘ |
| primaryCommodity |
gold
ⓘ
silver ⓘ |
| processingMethod |
heap leaching
ⓘ
milling ⓘ |
| region | northwestern Nevada ⓘ |
| reopened | 1980s ⓘ |
| revivalPeriod | 1980s ⓘ |
| secondaryCommodity | base metals ⓘ |
| status |
active mining area
ⓘ
historic mining district ⓘ |
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: Rochester mining district Description of subject: The Rochester mining district is a historic and active silver and gold mining area in Pershing County, Nevada, known for significant precious metal production since the late 19th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ruth mine (historical association)