General Mining Act of 1872 for certain minerals on federal lands

E182381

United States federal statute mining law

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.

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All labels observed (5)

Label	Occurrences
General Mining Act of 1872	5
General Mining Law of 1872	3
General Mining Act of 1872 for certain minerals on federal lands canonical	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.
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
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	Bureau of Land Management ⓘ linked to: U.S. Bureau of Land Management United States Forest Service ⓘ linked to: U.S. 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	Mining Law of 1872 ⓘ linked to: General Mining Act of 1872 for certain minerals on federal lands
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 ⓘ linked to: United States of America
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	federal government of the United States ⓘ linked to: United States government
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 ⓘ linked to: General Mining Act of 1872 for certain minerals on federal lands
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