Rivers and Harbors Act of 1937
E59677
The Rivers and Harbors Act of 1937 is a U.S. federal law that, among other water infrastructure measures, authorized major reclamation and water management projects in California’s Central Valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rivers and Harbors Act of 1937 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T474344 — 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: Rivers and Harbors Act of 1937 Context triple: [Central Valley Project, authorizationAct, Rivers and Harbors Act of 1937]
-
A.
Merchant Marine Act of 1936
The Merchant Marine Act of 1936 is a U.S. federal law that established policies and programs to develop and maintain a strong American merchant marine for commerce and national defense.
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B.
Merchant Marine Act of 1970
The Merchant Marine Act of 1970 is a U.S. federal law that updated and expanded national maritime policy, including shipbuilding and fleet modernization programs, to strengthen the American merchant marine.
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C.
Emergency Conservation Work Act of 1933
The Emergency Conservation Work Act of 1933 was New Deal legislation that created the Civilian Conservation Corps to provide jobs through natural resource conservation and public works projects during the Great Depression.
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D.
Shipping Act of 1916
The Shipping Act of 1916 was a foundational U.S. maritime law that established federal regulation of ocean shipping practices and created the United States Shipping Board to oversee fair competition and rates in international trade.
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E.
Wagner–Steagall Act
The Wagner–Steagall Act was a landmark 1937 U.S. federal law that created a permanent public housing program aimed at providing decent, affordable housing for low-income families.
- 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: Rivers and Harbors Act of 1937 Target entity description: The Rivers and Harbors Act of 1937 is a U.S. federal law that, among other water infrastructure measures, authorized major reclamation and water management projects in California’s Central Valley.
-
A.
Merchant Marine Act of 1936
The Merchant Marine Act of 1936 is a U.S. federal law that established policies and programs to develop and maintain a strong American merchant marine for commerce and national defense.
-
B.
Merchant Marine Act of 1970
The Merchant Marine Act of 1970 is a U.S. federal law that updated and expanded national maritime policy, including shipbuilding and fleet modernization programs, to strengthen the American merchant marine.
-
C.
Emergency Conservation Work Act of 1933
The Emergency Conservation Work Act of 1933 was New Deal legislation that created the Civilian Conservation Corps to provide jobs through natural resource conservation and public works projects during the Great Depression.
-
D.
Shipping Act of 1916
The Shipping Act of 1916 was a foundational U.S. maritime law that established federal regulation of ocean shipping practices and created the United States Shipping Board to oversee fair competition and rates in international trade.
-
E.
Wagner–Steagall Act
The Wagner–Steagall Act was a landmark 1937 U.S. federal law that created a permanent public housing program aimed at providing decent, affordable housing for low-income families.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal statute
ⓘ
public law ⓘ |
| appliesTo |
California water infrastructure
ⓘ
federal flood control projects ⓘ federal navigation projects ⓘ |
| appliesToJurisdiction |
California, United States
ⓘ
surface form:
California
Central Valley ⓘ
surface form:
California Central Valley
|
| country |
United States of America
ⓘ
surface form:
United States
|
| describedBySource | United States federal water policy histories ⓘ |
| fieldOfWork |
environmental law
ⓘ
infrastructure law ⓘ water law ⓘ |
| follows | earlier Rivers and Harbors Acts ⓘ |
| genre | water resources legislation ⓘ |
| hasEffect |
authorization of major reclamation projects in the Central Valley
ⓘ
expansion of federal role in water management in California ⓘ |
| hasPart |
authorization of Central Valley water projects
ⓘ
authorization of flood control works ⓘ authorization of navigation projects ⓘ |
| inception | 1937 ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
United States federal government
|
| legalForm | statute ⓘ |
| legislativeBody | United States Congress ⓘ |
| location |
Central Valley
ⓘ
surface form:
California Central Valley
Inland Waterway System of the United States ⓘ
surface form:
United States inland waterways
|
| mainSubject |
flood control
ⓘ
navigation improvements ⓘ reclamation projects ⓘ water management ⓘ water resources development ⓘ |
| partOf | United States water resources legislation ⓘ |
| purpose |
to authorize federal water infrastructure projects
ⓘ
to enhance flood control and water management ⓘ to improve navigation on rivers and harbors ⓘ to support reclamation and irrigation in California’s Central Valley ⓘ |
| regulates |
development of harbors
ⓘ
development of rivers ⓘ federal water infrastructure projects ⓘ |
| topic |
Central Valley Project
ⓘ
surface form:
California Central Valley Project (context of authorization and planning)
|
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: Rivers and Harbors Act of 1937 Description of subject: The Rivers and Harbors Act of 1937 is a U.S. federal law that, among other water infrastructure measures, authorized major reclamation and water management projects in California’s Central Valley.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.