Shafter silver mine
E591008
The Shafter silver mine is a historic and once highly productive silver mining operation in Presidio County, West Texas, that played a major role in the region’s early economic development.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Presidio Mine | 1 |
| Shafter Mine | 1 |
| Shafter silver mine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6406032 — 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: Shafter silver mine Context triple: [Shafter, Texas, knownFor, Shafter silver mine]
-
A.
Round Mountain Gold Mine
Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
-
B.
Reed Gold Mine
Reed Gold Mine is a historic site in North Carolina recognized as the location of the first documented gold discovery in the United States and the nation’s first major gold mining operation.
-
C.
Ikuno Silver Mine
Ikuno Silver Mine is a historic Japanese mining site in Hyōgo Prefecture, known for its former silver production tunnels, industrial heritage, and museum exhibits on mining history.
-
D.
Panamint
Panamint is a Native American language of the Uto-Aztecan family traditionally spoken by the Timbisha Shoshone people of the Death Valley region in California and Nevada.
-
E.
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.
- 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: Shafter silver mine Target entity description: The Shafter silver mine is a historic and once highly productive silver mining operation in Presidio County, West Texas, that played a major role in the region’s early economic development.
-
A.
Round Mountain Gold Mine
Round Mountain Gold Mine is a large open-pit gold mining operation in central Nevada known for its significant gold production.
-
B.
Reed Gold Mine
Reed Gold Mine is a historic site in North Carolina recognized as the location of the first documented gold discovery in the United States and the nation’s first major gold mining operation.
-
C.
Ikuno Silver Mine
Ikuno Silver Mine is a historic Japanese mining site in Hyōgo Prefecture, known for its former silver production tunnels, industrial heritage, and museum exhibits on mining history.
-
D.
Panamint
Panamint is a Native American language of the Uto-Aztecan family traditionally spoken by the Timbisha Shoshone people of the Death Valley region in California and Nevada.
-
E.
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.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
silver mine ⓘ underground mine ⓘ |
| alsoKnownAs | Presidio Mine NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| depositType | carbonate-hosted silver deposit ⓘ |
| developedDuring | 1880s ⓘ |
| discovered | late 19th century ⓘ |
| historicalSignificance |
contributed to settlement and growth of Shafter, Texas
ⓘ
major early economic driver for Presidio County ⓘ one of the more productive historic silver mines in Texas ⓘ |
| hostRock | limestone ⓘ |
| impact |
stimulated local ranching and trade in Presidio County
ⓘ
supported development of company town infrastructure in Shafter ⓘ |
| locatedIn |
Presidio County, Texas
NERFINISHED
ⓘ
Shafter, Texas NERFINISHED ⓘ West Texas NERFINISHED ⓘ |
| near |
Rio Grande
NERFINISHED
ⓘ
U.S.–Mexico border NERFINISHED ⓘ |
| operatedBy | various mining companies over time ⓘ |
| oreMinerals |
argentite
ⓘ
galena ⓘ native silver ⓘ sphalerite ⓘ |
| partOf | Shafter mining district NERFINISHED ⓘ |
| primaryCommodity | silver ⓘ |
| regulatoryJurisdiction |
State of Texas
NERFINISHED
ⓘ
United States federal mining laws NERFINISHED ⓘ |
| status |
historic mine
ⓘ
periodically reactivated for modern exploration and production ⓘ |
| transportInfrastructure | wagon roads to regional railheads ⓘ |
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: Shafter silver mine Description of subject: The Shafter silver mine is a historic and once highly productive silver mining operation in Presidio County, West Texas, that played a major role in the region’s early economic development.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Shafter, Texas
subject surface form:
Shafter, Texas
this entity surface form:
Presidio Mine
subject surface form:
Shafter, Texas
this entity surface form:
Shafter Mine