Office of Mine Reclamation
E515397
The Office of Mine Reclamation is a California state agency division responsible for overseeing mine reclamation and ensuring that mined lands are restored and managed in accordance with environmental and safety standards.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Office of Mine Reclamation canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5380298 — 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: Office of Mine Reclamation Context triple: [California Department of Conservation, hasDivision, Office of Mine Reclamation]
-
A.
Office of Surface Mining Reclamation and Enforcement
The Office of Surface Mining Reclamation and Enforcement is a U.S. federal agency responsible for regulating coal mining and overseeing the restoration of abandoned mine lands to protect the environment and public health.
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B.
Mine Safety and Health Administration
The Mine Safety and Health Administration is the U.S. federal agency responsible for enforcing safety and health regulations in the nation’s mines to protect miners from workplace hazards.
-
C.
Division of Mineral Resources
The Division of Mineral Resources is a unit of New York State government responsible for regulating the exploration, development, and conservation of oil, gas, and other mineral resources within the state.
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D.
Mines and Geosciences Bureau
The Mines and Geosciences Bureau is a Philippine government agency responsible for the administration and regulation of the country’s mineral resources and geoscience development.
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E.
Office of Superfund Remediation and Technology Innovation
The Office of Superfund Remediation and Technology Innovation is a U.S. Environmental Protection Agency office responsible for overseeing and advancing cleanup technologies and strategies for hazardous waste sites under the Superfund program.
- 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: Office of Mine Reclamation Target entity description: The Office of Mine Reclamation is a California state agency division responsible for overseeing mine reclamation and ensuring that mined lands are restored and managed in accordance with environmental and safety standards.
-
A.
Office of Surface Mining Reclamation and Enforcement
The Office of Surface Mining Reclamation and Enforcement is a U.S. federal agency responsible for regulating coal mining and overseeing the restoration of abandoned mine lands to protect the environment and public health.
-
B.
Mine Safety and Health Administration
The Mine Safety and Health Administration is the U.S. federal agency responsible for enforcing safety and health regulations in the nation’s mines to protect miners from workplace hazards.
-
C.
Division of Mineral Resources
The Division of Mineral Resources is a unit of New York State government responsible for regulating the exploration, development, and conservation of oil, gas, and other mineral resources within the state.
-
D.
Mines and Geosciences Bureau
The Mines and Geosciences Bureau is a Philippine government agency responsible for the administration and regulation of the country’s mineral resources and geoscience development.
-
E.
Office of Superfund Remediation and Technology Innovation
The Office of Superfund Remediation and Technology Innovation is a U.S. Environmental Protection Agency office responsible for overseeing and advancing cleanup technologies and strategies for hazardous waste sites under the Superfund program.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
government agency division
ⓘ
state agency office ⓘ |
| appliesToJurisdiction |
California surface mines
ⓘ
State of California ⓘ
linked to:
California, United States
|
| country | United States of America ⓘ |
| fieldOfWork |
environmental protection
ⓘ
land use management ⓘ mine reclamation ⓘ public safety ⓘ |
| governmentLevel | state ⓘ |
| hasMainResponsibility |
ensuring mined lands are managed in accordance with environmental standards
ⓘ
ensuring mined lands are managed in accordance with safety standards ⓘ ensuring mined lands are restored ⓘ implementation support for California Surface Mining and Reclamation Act ⓘ mine reclamation oversight ⓘ |
| headquartersLocation |
Sacramento, California
ⓘ
linked to:
Sacramento
|
| isPartOf |
California Natural Resources Agency (through the Department of Conservation)
ⓘ
linked to:
California Natural Resources Agency
|
| legalFramework | California Surface Mining and Reclamation Act ⓘ |
| locatedInTheAdministrativeTerritorialEntity |
California
ⓘ
linked to:
California, United States
|
| missionStatement | to ensure the proper reclamation of mined lands in California ⓘ |
| operatedBy | California Department of Conservation ⓘ |
| parentOrganization | California Department of Conservation ⓘ |
| partOf | California Department of Conservation ⓘ |
| regulates |
financial assurances for mine reclamation in California
ⓘ
mine reclamation plans in California ⓘ |
| sector | public sector ⓘ |
| serviceArea | mined lands in California ⓘ |
| website | https://www.conservation.ca.gov/omr ⓘ |
| worksWith |
California environmental agencies
ⓘ
California mining operators ⓘ local lead agencies in California ⓘ |
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: Office of Mine Reclamation Description of subject: The Office of Mine Reclamation is a California state agency division responsible for overseeing mine reclamation and ensuring that mined lands are restored and managed in accordance with environmental and safety standards.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.