Mining Law of 1866
E708147
The Mining Law of 1866 was the first federal statute in the United States to recognize and regulate miners’ rights to explore for and develop mineral resources on public lands, laying the groundwork for later mining legislation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mining Law of 1866 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7856226 — 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: Mining Law of 1866 Context triple: [General Mining Act of 1872, influencedBy, Mining Law of 1866]
-
A.
Placer Act of 1870
The Placer Act of 1870 was a U.S. federal law that expanded and clarified miners’ rights to locate and develop placer (loose mineral) deposits on public lands, helping lay the groundwork for later comprehensive mining legislation.
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B.
General Mining Act of 1872 for certain minerals on federal lands
The General Mining Act of 1872 is a U.S. federal law that opened public lands to hardrock mineral exploration and claim-staking with minimal government oversight or royalties.
-
C.
Nevada state mining law
Nevada state mining law is the body of state-level statutes and regulations that governs the exploration, development, and operation of mineral resources within Nevada’s mining districts.
-
D.
Mineral Leasing Act
The Mineral Leasing Act is a U.S. federal law that governs the leasing and development of publicly owned mineral resources such as oil, gas, coal, and other fuels on federal lands.
-
E.
Mines Act 1842
The Mines Act 1842 was a landmark British law that prohibited women and young children from working underground in coal mines, reflecting growing social and labor reform efforts in the 19th century.
- 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: Mining Law of 1866 Target entity description: The Mining Law of 1866 was the first federal statute in the United States to recognize and regulate miners’ rights to explore for and develop mineral resources on public lands, laying the groundwork for later mining legislation.
-
A.
Placer Act of 1870
The Placer Act of 1870 was a U.S. federal law that expanded and clarified miners’ rights to locate and develop placer (loose mineral) deposits on public lands, helping lay the groundwork for later comprehensive mining legislation.
-
B.
General Mining Act of 1872 for certain minerals on federal lands
The General Mining Act of 1872 is a U.S. federal law that opened public lands to hardrock mineral exploration and claim-staking with minimal government oversight or royalties.
-
C.
Nevada state mining law
Nevada state mining law is the body of state-level statutes and regulations that governs the exploration, development, and operation of mineral resources within Nevada’s mining districts.
-
D.
Mineral Leasing Act
The Mineral Leasing Act is a U.S. federal law that governs the leasing and development of publicly owned mineral resources such as oil, gas, coal, and other fuels on federal lands.
-
E.
Mines Act 1842
The Mines Act 1842 was a landmark British law that prohibited women and young children from working underground in coal mines, reflecting growing social and labor reform efforts in the 19th century.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal statute
ⓘ
mining law ⓘ |
| administeredBy |
General Land Office
ⓘ
linked to:
United States General Land Office
United States Department of the Interior ⓘ |
| affects |
miners in the Western United States
ⓘ
settlement patterns in mineral-rich regions ⓘ |
| appliesTo | public lands of the United States ⓘ |
| appliesToResource |
cinnabar-bearing rock in place
ⓘ
copper-bearing rock in place ⓘ lead-bearing rock in place ⓘ lode deposits ⓘ silver-bearing rock in place ⓘ veins of quartz and other rock in place bearing gold ⓘ |
| basedOn | local mining district rules and customs ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| effect |
formalized miners’ possessory rights on public lands
ⓘ
reduced conflicts over mining claims ⓘ |
| excludes |
agricultural lands not open to mineral entry
ⓘ
coal deposits ⓘ petroleum deposits ⓘ |
| goal |
to encourage mineral exploration on public lands
ⓘ
to provide legal security for miners’ investments ⓘ |
| historicalSignificance |
first federal recognition of miners’ self-initiated rights on the public domain
ⓘ
foundation of the American mining claim system ⓘ |
| influencedBy |
California mining camp practices
ⓘ
Western United States mining customs ⓘ |
| jurisdiction |
United States federal government
ⓘ
linked to:
United States government
|
| laysGroundworkFor |
General Mining Law of 1872
ⓘ
subsequent federal mining legislation ⓘ |
| legalConcept |
location-based mining claim
ⓘ
possessory title prior to patent ⓘ |
| legalStatus | first general federal mining statute in the United States ⓘ |
| predecessorOf | more comprehensive mining codes enacted later in the 19th century ⓘ |
| provides |
for patenting of certain mining claims
ⓘ
procedures for recording mining claims ⓘ |
| recognizes | miners’ customs and rules on the public domain ⓘ |
| regulates |
location of mining claims on public lands
ⓘ
rights of way for mining-related ditches and canals ⓘ |
| relatedTo |
General Mining Act of 1872
ⓘ
Placer Act of 1870 ⓘ |
| sector | hardrock mining ⓘ |
| subjectMatter |
development of mineral deposits
ⓘ
exploration for minerals ⓘ mineral resources ⓘ miners’ rights ⓘ mining claims ⓘ |
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: Mining Law of 1866 Description of subject: The Mining Law of 1866 was the first federal statute in the United States to recognize and regulate miners’ rights to explore for and develop mineral resources on public lands, laying the groundwork for later mining legislation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
General Mining Act of 1872 for certain minerals on federal lands