Boulder Canyon Project Act
E486276
The Boulder Canyon Project Act is a 1928 U.S. federal law that authorized the construction of Hoover Dam and the All-American Canal, enabling large-scale water storage and hydroelectric power development on the Colorado River.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T5026590 — 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: Boulder Canyon Project Act Context triple: [Boulder Canyon Project, hasPart, Boulder Canyon Project Act]
-
A.
Bonneville Project Act of 1937
The Bonneville Project Act of 1937 is a U.S. federal law that created the Bonneville Power Administration and established the framework for marketing and transmitting hydroelectric power from the Columbia River dams in the Pacific Northwest.
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B.
Federal Water Power Act of 1920
The Federal Water Power Act of 1920 was a U.S. law that established a comprehensive federal licensing and regulatory framework for hydroelectric power development on navigable waters and public lands.
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C.
Columbia River Treaty
The Columbia River Treaty is a landmark 1964 agreement between the United States and Canada that coordinates hydropower generation and flood control in the Columbia River Basin.
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D.
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.
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E.
Flood Control Act of 1944
The Flood Control Act of 1944 is a landmark U.S. law that authorized major multipurpose water projects, shaping the modern federal system for flood control, navigation, irrigation, and hydroelectric power development.
- 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: Boulder Canyon Project Act Target entity description: The Boulder Canyon Project Act is a 1928 U.S. federal law that authorized the construction of Hoover Dam and the All-American Canal, enabling large-scale water storage and hydroelectric power development on the Colorado River.
-
A.
Bonneville Project Act of 1937
The Bonneville Project Act of 1937 is a U.S. federal law that created the Bonneville Power Administration and established the framework for marketing and transmitting hydroelectric power from the Columbia River dams in the Pacific Northwest.
-
B.
Federal Water Power Act of 1920
The Federal Water Power Act of 1920 was a U.S. law that established a comprehensive federal licensing and regulatory framework for hydroelectric power development on navigable waters and public lands.
-
C.
Columbia River Treaty
The Columbia River Treaty is a landmark 1964 agreement between the United States and Canada that coordinates hydropower generation and flood control in the Columbia River Basin.
-
D.
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.
-
E.
Flood Control Act of 1944
The Flood Control Act of 1944 is a landmark U.S. law that authorized major multipurpose water projects, shaping the modern federal system for flood control, navigation, irrigation, and hydroelectric power development.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal law
ⓘ
statute ⓘ |
| allocatedWaterToState |
Arizona
ⓘ
California ⓘ
linked to:
California, United States
Nevada ⓘ |
| appliesToRiver | Colorado River ⓘ |
| authorizedAgency |
United States Bureau of Reclamation
ⓘ
linked to:
Bureau of Reclamation
|
| authorizedConstructionOf |
All-American Canal
ⓘ
Hoover Dam ⓘ |
| authorizedProject | Boulder Canyon Project ⓘ |
| beneficiaryState |
Arizona
ⓘ
California ⓘ
linked to:
California, United States
Colorado ⓘ Nevada ⓘ New Mexico ⓘ Utah ⓘ Wyoming ⓘ |
| containsProvision |
authorization to construct a dam and incidental works in Black Canyon or Boulder Canyon
ⓘ
authorization to construct a main canal and appurtenant structures entirely within the United States ⓘ limitation on California’s annual consumptive use of Colorado River water ⓘ |
| country | United States of America ⓘ |
| createdFrameworkFor |
federal control of Hoover Dam power generation
ⓘ
long-term power contracts for Hoover Dam electricity ⓘ |
| enactedBy | United States Congress ⓘ |
| historicalSignificance |
foundation of large-scale water and power development in the American Southwest
ⓘ
key component of the Law of the River governing the Colorado River ⓘ |
| implementsAgreement | Colorado River Compact ⓘ |
| jurisdiction | federal ⓘ |
| legalEffect | approved the Colorado River Compact on behalf of the Lower Basin states ⓘ |
| originalDamName |
Boulder Dam
ⓘ
linked to:
Hoover Dam
|
| publicLawNumber | Public Law 70-642 ⓘ |
| purpose |
to enable hydroelectric power development on the Colorado River
ⓘ
to enable large-scale water storage on the Colorado River ⓘ to provide for flood control on the Colorado River ⓘ to provide for irrigation and domestic water supply in the Lower Colorado River Basin ⓘ to provide for the construction of works for the protection and development of the Colorado River Basin ⓘ |
| region |
Lower Colorado River Basin
ⓘ
linked to:
Lower Colorado River region
|
| relatedTo |
All-American Canal
ⓘ
Bureau of Reclamation ⓘ Colorado River Compact ⓘ Hoover Dam ⓘ |
| shortName |
Boulder Canyon Act
ⓘ
linked to:
Boulder Canyon Project Act
|
| signedBy | Calvin Coolidge ⓘ |
| signingDate | 1928-12-21 ⓘ |
| statutesAtLargeCitation | 45 Stat. 1057 ⓘ |
| title |
An Act to provide for the construction of works for the protection and development of the Colorado River Basin, for the approval of the Colorado River compact, and for other purposes
ⓘ
linked to:
Boulder Canyon Project Act
|
| yearEnacted | 1928 ⓘ |
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: Boulder Canyon Project Act Description of subject: The Boulder Canyon Project Act is a 1928 U.S. federal law that authorized the construction of Hoover Dam and the All-American Canal, enabling large-scale water storage and hydroelectric power development on the Colorado River.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Boulder Canyon Project (through Bechtel involvement)
subject linked to:
Boulder Canyon Project (through Bechtel involvement)
linked to: Boulder Canyon Project Act
Boulder Canyon Project Act
→
title
→
An Act to provide for the construction of works for the protection and development of the Colorado River Basin, for the approval of the Colorado River compact, and for other purposes
ⓘ
linked to: Boulder Canyon Project Act