National Trails System Act
E61814
The National Trails System Act is a 1968 U.S. federal law that established a nationwide system of scenic, historic, and recreational trails and set the framework for their designation, protection, and management.
All labels observed (2)
| Label | Occurrences |
|---|---|
| National Trails System Act canonical | 8 |
| National Trails System Act of 1968 | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T492981 — 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: National Trails System Act Context triple: [National Recreation Trail, legalBasis, National Trails System Act]
-
A.
National Park Service Organic Act
The National Park Service Organic Act is the 1916 U.S. federal law that created the National Park Service and established its mission to conserve park resources while providing for their public enjoyment.
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B.
Wilderness Act of 1964
The Wilderness Act of 1964 is a landmark U.S. environmental law that created the National Wilderness Preservation System to permanently protect designated federal lands in their natural, undeveloped state.
-
C.
National Trails System units
National Trails System units are federally designated long-distance trails in the United States that preserve scenic, historic, and recreational routes across diverse landscapes.
-
D.
National Recreation Trail
A National Recreation Trail is a federally recognized trail in the United States designated for its outstanding recreation opportunities and contribution to public access and enjoyment of the outdoors.
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E.
Highway Beautification Act of 1965
The Highway Beautification Act of 1965 is a U.S. federal law championed by President Lyndon B. Johnson that regulates outdoor advertising and promotes scenic enhancement along the nation’s interstate and primary highway systems.
- 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: National Trails System Act Target entity description: The National Trails System Act is a 1968 U.S. federal law that established a nationwide system of scenic, historic, and recreational trails and set the framework for their designation, protection, and management.
-
A.
National Park Service Organic Act
The National Park Service Organic Act is the 1916 U.S. federal law that created the National Park Service and established its mission to conserve park resources while providing for their public enjoyment.
-
B.
Wilderness Act of 1964
The Wilderness Act of 1964 is a landmark U.S. environmental law that created the National Wilderness Preservation System to permanently protect designated federal lands in their natural, undeveloped state.
-
C.
National Trails System units
National Trails System units are federally designated long-distance trails in the United States that preserve scenic, historic, and recreational routes across diverse landscapes.
-
D.
National Recreation Trail
A National Recreation Trail is a federally recognized trail in the United States designated for its outstanding recreation opportunities and contribution to public access and enjoyment of the outdoors.
-
E.
Highway Beautification Act of 1965
The Highway Beautification Act of 1965 is a U.S. federal law championed by President Lyndon B. Johnson that regulates outdoor advertising and promotes scenic enhancement along the nation’s interstate and primary highway systems.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal law
ⓘ
environmental law ⓘ public land law ⓘ |
| administeredThrough |
U.S. Bureau of Land Management
ⓘ
surface form:
Bureau of Land Management
National Park Service ⓘ U.S. Fish and Wildlife Service ⓘ U.S. Forest Service ⓘ |
| allows |
cooperative agreements with private organizations for trail management
ⓘ
cooperative agreements with states and local governments for trail management ⓘ |
| authorizesAgency |
United States Secretary of Agriculture
ⓘ
surface form:
Secretary of Agriculture
United States Secretary of the Interior ⓘ
surface form:
Secretary of the Interior
|
| citation | 16 U.S.C. § 1241 et seq. ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateSigned | 1968-10-02 ⓘ |
| definesTrailCategory |
Connecting or side trails
ⓘ
National Historic Trail ⓘ
surface form:
National Historic Trails
National Recreation Trail ⓘ
surface form:
National Recreation Trails
National Trails System units ⓘ
surface form:
National Scenic Trails
|
| designates |
Appalachian Trail
ⓘ
surface form:
Appalachian National Scenic Trail
Pacific Crest Trail ⓘ
surface form:
Pacific Crest National Scenic Trail
|
| enactedBy | United States Congress ⓘ |
| establishes |
National Trails System units
ⓘ
surface form:
National Trails System
framework for designation of national trails ⓘ framework for management of national trails ⓘ framework for protection of national trails ⓘ |
| longTitle | An Act to establish a national trails system, and for other purposes ⓘ |
| policyArea |
conservation
ⓘ
cultural heritage preservation ⓘ outdoor recreation ⓘ |
| providesFor |
acquisition of lands or interests in lands for trails
ⓘ
easements for trail rights-of-way ⓘ |
| publicLawNumber | Public Law 90-543 ⓘ |
| purpose |
to encourage the enjoyment, appreciation, and preservation of open-air, outdoor areas and historic resources
ⓘ
to promote the preservation of public access to outdoor areas and historic resources ⓘ to provide for the ever-increasing outdoor recreation needs of an expanding population ⓘ |
| section |
16 U.S.C. § 1241 (policy and purpose)
ⓘ
16 U.S.C. § 1242 (national trails system) ⓘ 16 U.S.C. § 1244 (national scenic and national historic trails) ⓘ 16 U.S.C. § 1246 (administration and development) ⓘ |
| shortTitle | National Trails System Act self-link ⓘ |
| signedBy | Lyndon B. Johnson ⓘ |
| yearEnacted | 1968 ⓘ |
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: National Trails System Act Description of subject: The National Trails System Act is a 1968 U.S. federal law that established a nationwide system of scenic, historic, and recreational trails and set the framework for their designation, protection, and management.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
National Trails System Act of 1968
this entity surface form:
National Trails System Act of 1968
this entity surface form:
National Trails System Act of 1968