National Register of Historic Places Multiple Property Submission, Salt River Project
Part of: Salt River Project
Pursuant to a 2009 Programmatic Agreement between the Bureau of Reclamation, Phoenix Area Office, the Salt River Project, and the Arizona State Historic Preservation Office, the Bureau of Reclamation prepared documentation formally nominating the Salt River Project system of dams and main canals to the National Register of Historic Places (Register). The Salt River Project Multiple Property Submission (MPS) was formally accepted and listed on the Register on August 7, 2017. This collection includes the Salt River Project MPS cover document, which provides a historic context for nomination under the MPS, individual nomination forms for Bartlett, Horse Mesa, Horseshoe, Mormon Flat, and Stewart Mountain dams, and a historic district nomination form for the Salt River Project Diversion and Conveyance System, which includes Granite Reef Diversion Dam, Arizona Canal, New Crosscut Canal, Crosscut Hydro Plant, Grand Canal, South Canal, Consolidated Canal, Eastern Canal, Tempe Canal, Western Canal, and Highline Canal.
Site Name Keywords
Horseshoe Dam •
Mormon Flat Dam •
Horse Mesa Dam •
Grand Canal •
Arizona Canal •
Tempe Canal •
Western Canal •
Highline Canal •
Bartlett Dam •
Granite Reef Diversion Dam
Site Type Keywords
Resource Extraction / Production / Transportation Structure or Features •
Agricultural or Herding •
Water Control Feature •
Historic Dam •
Canal or Canal Feature •
Reservoir •
Non-Domestic Structures •
Ball Court •
Historic Structure •
Diversion Dam
Other Keywords
Bureau of Reclamation •
Salt River Project •
National Register of Historic Places Registration Form
Culture Keywords
Historic •
Euroamerican •
Historic Native American
Investigation Types
Historic Background Research •
Heritage Management
Material Types
Building Materials
Geographic Keywords
Arizona (State / Territory) •
United States of America (Country) •
Maricopa County (County) •
North America (Continent) •
USA (Country) •
Salt River Valley •
Verde River Valley •
Yavapai County (County) •
Horse Mesa Dam •
Bartlett Dam
Resources Inside This Collection (Viewing 1-7 of 7)
- Documents (7)
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Bartlett Dam, Arizona: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
The Bureau of Reclamation (Reclamation) constructed Bartlett Dam on the Verde River from 1936 to 1939. The structure consists of the dam, the attached small valve/river outlet house, and the gated spillway. An auxiliary spillway built in the mid-1990s is non-contributing to the dam structure. Due to erratic stream flows, Bartlett Dam does not produce hydropower. Bartlett Dam exhibits statewide significance under Criteria A and C in the areas of Politics/Government, Engineering, and Community...
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Horse Mesa Dam, Arizona: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
Horse Mesa Dam was the second dam that the Salt River Valley Valley Water Users' Association (Association) constructed on the Salt River, from 1924 to 1927, as part of its aggressive hydroelectric expansion program. Horse Mesa Dam consists of the dam, the north spillway, the south spillway, the spillway tunnel, the attached power plant, and the spillway discharge tunnel (all contributing elements). The HEFU turbine house and the engine generator building are non-contributing buildings to the...
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Horseshoe Dam, Arizona: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
Horseshoe Dam, the second dam on the Verde River, was constructed from 1944 to 1946 by the Phelps-Dodge Copper Products Company, as part of an agreement with the Salt River Valley Valley Water Users' Association (Association) to increase Phoenix's water supply in exchange for water delivered to Phelps-Dodge's copper mines in Morenci. Horseshoe Dam consists of the dam, including the concrete spillway, earthfill and rockfill abutments, the outlet tunnel, and the outlet tunnel's intake tower. The...
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Mormon Flat Dam, Arizona: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
Mormon Flat Dam, constructed between 1923 and 1925, was the first dam built by the Salt River Valley Valley Water Users' Association (Association) in its aggressive, and privately-funded, hydroelectric expansion program. In 1938, the Bureau of Reclamation constructed a new gatehouse superstructure and spillway discharge channel to improve efficiency during major flood events. Mormon Flat Dam consists of the dam, spillway, and its attached powerhouse. The 1971 reversible pump turbine facility is...
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Salt River Project Diversion and Conveyance System Historic District: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
The Salt River Project Diversion and Conveyance Historic District consists of nine main canals, the diversion dam that feeds water to those canals, and one hydropower plant situated on one of those canals. The contributing properties are: Granite Reef Diversion Dam (a structure); the Southside Gatekeeper’s house at the dam (a building); three canals serving land on the north side of the Salt River (the Arizona, Grand, and New Crosscut canals, all structures); six canals serving land on the south...
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The Salt River Project, Arizona, a Federal Reclamation Project: National Register of Historic Places Multiple Property Documentation Form (2017)
DOCUMENT Full-Text
Pursuant to a 2009 Programmatic Agreement between the Bureau of Reclamation, Phoenix Area Office, the Salt River Project, and the Arizona State Historic Preservation Office, the Bureau of Reclamation prepared documentation formally nominating the Salt River Project system of dams and main canals to the National Register of Historic Places (Register). The Salt River Project Multiple Property Submission (MPS) was formally accepted and listed on the Register on August 7, 2017. This is the Salt...
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Stewart Mountain Dam: National Register of Historic Places Nomination Form (2017)
DOCUMENT Full-Text
Stewart Mountain Dam, constructed between 1928 and 1930, was the third dam built by the Salt River Valley Valley Water Users' Association (Association) in its aggressive, and privately-funded, hydroelectric expansion program. In 1936, the Bureau of Reclamation modified the spillway discharge channel, reconditioned hoisting equipment for the radial gates, and installed individual gate operating motors. Stewart Mountain Dam consists of the dam, the left abutment spillway, and the powerhouse. The...