General Mining Act of 1872 for certain minerals on federal lands
E182381
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| General Mining Act of 1872 | 2 |
| General Mining Act of 1872 for certain minerals on federal lands canonical | 1 |
| General Mining Law of 1872 | 1 |
| Mining Law of 1872 | 1 |
| United States mining law | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1620776 — 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: General Mining Act of 1872 for certain minerals on federal lands Context triple: [Mineral Leasing Act, replaced, General Mining Act of 1872 for certain minerals on federal lands]
-
A.
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.
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B.
Surface Mining Control and Reclamation Act of 1977
The Surface Mining Control and Reclamation Act of 1977 is a U.S. federal law that regulates the environmental effects of coal mining and mandates the restoration of mined lands.
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C.
Homestead Act of 1862
The Homestead Act of 1862 was a landmark U.S. law that encouraged westward expansion by granting settlers ownership of public land, typically 160 acres, if they lived on and improved it for a set period.
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D.
Federal Oil and Gas Royalty Management Act of 1982
The Federal Oil and Gas Royalty Management Act of 1982 is a U.S. law that governs the collection, accounting, and auditing of royalties from oil and gas production on federal and Indian lands to ensure proper return to the public.
-
E.
Reclamation Act of 1902
The Reclamation Act of 1902 is a U.S. federal law that launched large-scale, federally funded irrigation and water management projects to promote agricultural development and settlement in the arid Western 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: General Mining Act of 1872 for certain minerals on federal lands Target entity description: 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.
-
A.
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.
-
B.
Surface Mining Control and Reclamation Act of 1977
The Surface Mining Control and Reclamation Act of 1977 is a U.S. federal law that regulates the environmental effects of coal mining and mandates the restoration of mined lands.
-
C.
Homestead Act of 1862
The Homestead Act of 1862 was a landmark U.S. law that encouraged westward expansion by granting settlers ownership of public land, typically 160 acres, if they lived on and improved it for a set period.
-
D.
Federal Oil and Gas Royalty Management Act of 1982
The Federal Oil and Gas Royalty Management Act of 1982 is a U.S. law that governs the collection, accounting, and auditing of royalties from oil and gas production on federal and Indian lands to ensure proper return to the public.
-
E.
Reclamation Act of 1902
The Reclamation Act of 1902 is a U.S. federal law that launched large-scale, federally funded irrigation and water management projects to promote agricultural development and settlement in the arid Western states.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal statute
ⓘ
mining law ⓘ |
| administeredBy |
U.S. Bureau of Land Management
ⓘ
surface form:
Bureau of Land Management
U.S. Forest Service ⓘ
surface form:
United States Forest Service
|
| allows |
exploration for hardrock minerals on open public lands
ⓘ
location of mining claims on federal public domain lands ⓘ patenting of mining claims under certain conditions ⓘ |
| alsoKnownAs |
General Mining Act of 1872 for certain minerals on federal lands
ⓘ
surface form:
Mining Law of 1872
|
| amendmentsInclude | limitations on patenting of mining claims after the 1990s moratorium ⓘ |
| appliesTo |
federal public lands
ⓘ
hardrock minerals ⓘ locatable minerals ⓘ |
| appliesToLandStatus | public domain lands not otherwise withdrawn ⓘ |
| basedOn | earlier mining customs and district rules in the American West ⓘ |
| claimantEligibility | U.S. citizens and those who have declared intention to become citizens ⓘ |
| claimTypes |
lode claims
ⓘ
placer claims ⓘ |
| codifiedIn | Title 30 of the United States Code ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| criticizedFor |
insufficient environmental protections in original text
ⓘ
lack of federal royalties on hardrock minerals ⓘ |
| dateEnacted | 1872-05-10 ⓘ |
| doesNotApplyTo |
coal
ⓘ
common variety minerals ⓘ natural gas ⓘ oil ⓘ |
| economicEffect | encouraged private mineral exploration and development on federal lands ⓘ |
| enactedBy | United States Congress ⓘ |
| environmentalRegulation | largely provided by later statutes such as NEPA and the Clean Water Act ⓘ |
| establishes |
procedures for locating mining claims
ⓘ
requirements for annual labor or maintenance fees on claims ⓘ |
| excludesLands |
national parks
ⓘ
wilderness areas withdrawn from mineral entry ⓘ |
| governs | rights of miners to occupy and use surface lands for mining ⓘ |
| hasBeenAmended | yes ⓘ |
| historicalContext | adopted following the California Gold Rush and western mineral rushes ⓘ |
| influencedBy |
Mining Law of 1866
ⓘ
Placer Act of 1870 ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
federal government of the United States
|
| oversightLevel | minimal federal oversight compared to later mineral leasing laws ⓘ |
| policyGoal | to encourage settlement and economic development of the American West ⓘ |
| purpose | to promote exploration and development of mineral resources on public domain lands ⓘ |
| requires | recording of mining claims with local and federal offices ⓘ |
| royaltyRateOnProduction | 0 percent for hardrock minerals on most federal lands ⓘ |
| shortTitle |
General Mining Act of 1872 for certain minerals on federal lands
self-link
ⓘ
surface form:
General Mining Act of 1872
|
| signedBy | Ulysses S. Grant ⓘ |
| subjectOf | ongoing reform proposals in the United States Congress ⓘ |
| surfaceManagement | subject to later regulations by land management agencies ⓘ |
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: General Mining Act of 1872 for certain minerals on federal lands Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
Mineral Leasing Act
→
relatedTo
→
General Mining Act of 1872 for certain minerals on federal lands
ⓘ
this entity surface form:
General Mining Act of 1872
Surface Mining Control and Reclamation Act of 1977
→
relatedTo
→
General Mining Act of 1872 for certain minerals on federal lands
ⓘ
this entity surface form:
United States mining law
General Mining Act of 1872 for certain minerals on federal lands
→
shortTitle
→
General Mining Act of 1872 for certain minerals on federal lands
self-link
ⓘ
subject surface form:
General Mining Act of 1872
this entity surface form:
General Mining Act of 1872
General Mining Act of 1872 for certain minerals on federal lands
→
alsoKnownAs
→
General Mining Act of 1872 for certain minerals on federal lands
ⓘ
subject surface form:
General Mining Act of 1872
this entity surface form:
Mining Law of 1872
United States public land law
→
relatedStatute
→
General Mining Act of 1872 for certain minerals on federal lands
ⓘ
this entity surface form:
General Mining Law of 1872