Red Devil Mine
E891761
Red Devil Mine is an abandoned mercury mining site in southwestern Alaska known for its historical production and ongoing environmental contamination concerns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Red Devil Mine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10901975 — 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: Red Devil Mine Context triple: [Red Devil, Alaska, hasNearbyMine, Red Devil Mine]
-
A.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
Capps Mine
Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
-
D.
North Star Mine
North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
-
E.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
- 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: Red Devil Mine Target entity description: Red Devil Mine is an abandoned mercury mining site in southwestern Alaska known for its historical production and ongoing environmental contamination concerns.
-
A.
Dolores Mine
Dolores Mine is a historic silver mine in Mineral del Monte, Mexico, now preserved as a cultural and tourist site showcasing the region’s mining heritage.
-
B.
Tioga Mine
Tioga Mine was a historic silver mining operation in the Sierra Nevada of California that gave its name to nearby Tioga Pass.
-
C.
Capps Mine
Capps Mine is a historically significant gold mine in North Carolina known for its role in the state’s early gold-mining industry.
-
D.
North Star Mine
North Star Mine is a historic gold mine and landmark in Grass Valley, California, that played a significant role in the region’s 19th- and early 20th-century mining industry.
-
E.
Andoom Mine
Andoom Mine is a major bauxite mining operation near Weipa in Queensland, Australia, contributing significantly to the region’s aluminum ore production.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Superfund site
ⓘ
abandoned mine ⓘ mercury mine ⓘ |
| access | primarily by river and air ⓘ |
| climateZone | subarctic ⓘ |
| contaminants |
antimony
ⓘ
arsenic ⓘ mercury ⓘ petroleum hydrocarbons ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developed | 1940s ⓘ |
| discovered | early 20th century ⓘ |
| environmentalConcern |
fish tissue contamination
ⓘ
groundwater contamination ⓘ sediment contamination ⓘ soil contamination ⓘ surface water contamination ⓘ |
| generatedWaste |
mine tailings
ⓘ
roaster waste ⓘ waste rock ⓘ |
| historicalSignificance | major mercury producer in Alaska during mid-20th century ⓘ |
| historicalUse |
open-pit mining
ⓘ
ore processing ⓘ underground mining ⓘ |
| impact | long-term mercury legacy in Kuskokwim River basin ⓘ |
| listedBy | U.S. Environmental Protection Agency ⓘ |
| locatedIn |
Bethel Census Area, Alaska
ⓘ
linked to:
Bethel Census Area
Kuskokwim River region ⓘ southwestern Alaska ⓘ |
| managedBy | U.S. Bureau of Land Management ⓘ |
| nearbySettlement | Red Devil, Alaska ⓘ |
| operatedUntil | 1970s ⓘ |
| ownership | federal land ⓘ |
| peakProductionPeriod | 1950s ⓘ |
| primaryCommodity | mercury ⓘ |
| primaryProduct | cinnabar-derived mercury ⓘ |
| processingMethod | roasting of cinnabar ore ⓘ |
| regulatoryProgram | CERCLA ⓘ |
| remediationActivity |
removal of mine structures
ⓘ
site investigation ⓘ waste consolidation and capping (planned/ongoing) ⓘ |
| riskReceptor |
downstream communities
ⓘ
subsistence fishers ⓘ |
| status |
abandoned
ⓘ
contaminated site ⓘ |
| waterBodyImpacted | Kuskokwim River ⓘ |
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: Red Devil Mine Description of subject: Red Devil Mine is an abandoned mercury mining site in southwestern Alaska known for its historical production and ongoing environmental contamination concerns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.