San Juan mining region
E664901
The San Juan mining region is a historic mineral-rich area in southwestern Colorado’s San Juan Mountains, known for its 19th- and early 20th-century hard-rock mining boom and rugged alpine terrain.
All labels observed (2)
| Label | Occurrences |
|---|---|
| San Juan mining district | 2 |
| San Juan mining region canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7441662 — 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: San Juan mining region Context triple: [Ouray County, Colorado, partOf, San Juan mining region]
-
A.
Candelaria mining district
The Candelaria mining district is a historic silver-mining area in Nevada known for its rich ore deposits and boomtown activity in the late 19th century.
-
B.
Comarca Minera
Comarca Minera is a geologically rich region in the Mexican state of Hidalgo known for its historic mining heritage, distinctive volcanic landscapes, and recognition as a UNESCO Global Geopark.
-
C.
Cortez mining district
The Cortez mining district is a major gold-producing area in north-central Nevada, known for its large-scale open-pit and underground operations.
-
D.
Mineral del Monte mining district
Mineral del Monte mining district is a historic silver-mining region in Hidalgo, Mexico, known for its rich colonial-era mines and long-standing contribution to the country’s mining industry.
-
E.
Mina de Acosta
Mina de Acosta is a historic silver mine located in Mineral del Monte, Hidalgo, Mexico, known for its role in the region’s mining heritage and as a cultural and tourist attraction.
- 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: San Juan mining region Target entity description: The San Juan mining region is a historic mineral-rich area in southwestern Colorado’s San Juan Mountains, known for its 19th- and early 20th-century hard-rock mining boom and rugged alpine terrain.
-
A.
Candelaria mining district
The Candelaria mining district is a historic silver-mining area in Nevada known for its rich ore deposits and boomtown activity in the late 19th century.
-
B.
Comarca Minera
Comarca Minera is a geologically rich region in the Mexican state of Hidalgo known for its historic mining heritage, distinctive volcanic landscapes, and recognition as a UNESCO Global Geopark.
-
C.
Cortez mining district
The Cortez mining district is a major gold-producing area in north-central Nevada, known for its large-scale open-pit and underground operations.
-
D.
Mineral del Monte mining district
Mineral del Monte mining district is a historic silver-mining region in Hidalgo, Mexico, known for its rich colonial-era mines and long-standing contribution to the country’s mining industry.
-
E.
Mina de Acosta
Mina de Acosta is a historic silver mine located in Mineral del Monte, Hidalgo, Mexico, known for its role in the region’s mining heritage and as a cultural and tourist attraction.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | historic mining district ⓘ |
| climate | alpine ⓘ |
| contains |
abandoned mine workings
ⓘ
ghost towns ⓘ historic mining camps ⓘ mill sites ⓘ mine tunnels ⓘ tramway remains ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| culturalSignificance | represents Colorado mining frontier history ⓘ |
| currentUse |
historic preservation
ⓘ
limited modern mining ⓘ recreation and tourism ⓘ |
| developmentBoom | late 19th century mining boom ⓘ |
| economicActivity |
metal ore extraction
ⓘ
milling and smelting support ⓘ |
| elevationRange | high-elevation mountains ⓘ |
| environmentalIssue |
acid mine drainage risk
ⓘ
legacy mine waste ⓘ |
| eraOfPeakProduction | circa 1870s–1910s ⓘ |
| geologicalCharacteristic |
hard-rock ore deposits
ⓘ
mineral-rich veins ⓘ |
| hasHeritageStatus | historic mining landscape ⓘ |
| historicalPeriod |
19th century
ⓘ
early 20th century ⓘ |
| knownFor |
base metal mining
ⓘ
gold mining ⓘ hard-rock mining ⓘ rugged alpine terrain ⓘ silver mining ⓘ |
| locatedIn |
Colorado
ⓘ
San Juan Mountains NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
southwestern Colorado ⓘ |
| partOf |
Colorado mineral belt
NERFINISHED
ⓘ
Southern Rocky Mountains NERFINISHED ⓘ |
| resourceType |
base metals
ⓘ
precious metals ⓘ |
| terrainType |
high alpine
ⓘ
steep mountainous ⓘ |
| tourismType |
heritage tourism
ⓘ
outdoor recreation ⓘ |
| transportHistory |
narrow-gauge railroad access
ⓘ
wagon roads and stage routes ⓘ |
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: San Juan mining region Description of subject: The San Juan mining region is a historic mineral-rich area in southwestern Colorado’s San Juan Mountains, known for its 19th- and early 20th-century hard-rock mining boom and rugged alpine terrain.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
San Juan mining district