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Topic: electric switches

119 media by topicpage 1 of 2
Shoshone Falls Hydroelectric Project, Shoshone Substation/Switchyard, North Bank of Snake River, immediately East of 1907 Powerhouse, Tipperary Corner, Jerome County, ID

Shoshone Falls Hydroelectric Project, Shoshone Substation/Switchyard, ...

Significance: It was the origination point of several 44kV lines that transmitted electricity to Oakley, Twin Falls, Malad, Lower Salmon, and Thousand Springs, ID. It was among the first improvements implemente... more

Wright-Patterson Air Force Base, Area B, Building 86, Main Pump House, West end of Fifth Street near Perimeter Road, Dayton, Montgomery County, OH

Wright-Patterson Air Force Base, Area B, Building 86, Main Pump House,...

Significance: Built in 1927 as part of the original Wright Field construction, Building 86, Main Pump House, was in continuous use until 1987. Survey number: HAER OH-79-AK Building/structure dates: 1927 Initi... more

Wendover Air Force Base, Electric Building, South of Interstate 80, Wendover, Tooele County, UT

Wendover Air Force Base, Electric Building, South of Interstate 80, We...

Survey number: HABS UT-125-H Building/structure dates: 1942 Initial Construction

Wendover Air Force Base, Electric Building, South of Interstate 80, Wendover, Tooele County, UT

Wendover Air Force Base, Electric Building, South of Interstate 80, We...

Survey number: HABS UT-125-H Building/structure dates: 1942 Initial Construction

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Arizona-Nevada Switchyard, U.S. Highway 93, Boulder City, ...

Significance: It is one of six switchyards built between 1935 and 1952 to provide terminals for major transmission lines carrying electricity to markets in California, Nevada, and Arizona. All of these faciliti... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Los Angeles Relay Control Building, U.S. Highway 93, Bould...

Significance: It was a critical element of the Hoover Dam electrical generation and transmission system. Although it was associated by name with the Los Angeles Bureau of Power and Light 387.5/275 switchyard, t... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 138-KV Switchyard, U.S. Highway...

Significance: It was the second of six major Federal switchyards built at Hoover Dam. The switchyard was built to replace the Southern Sierras Power Company substation that had provided electricity for construc... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Nevada State Switchyard, U.S. Highway 93, Boulder City, Cl...

Significance: It was the smallest of the six major Federal switchyards at Hoover Dam. This switchyard was constructed to be the principal point at which Nevada's allocation of power from Hoover Dam could be del... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Metropolitan Water District Switchyard, U.S. Highway 93, B...

Significance: It was the second-largest Federal switchyard at Hoover Dam, the switchyard provided needed power for expansion of irrigation and municipal water supplies in California during and after WWII, but i... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, Southern California Edison 230-KV Switchyard, U.S. Highway...

Significance: It was an integral element of the Hoover Dam electrical generation and transmission system. This switchyard provided much-needed electricity during WWII to power Douglas, Vultee, and Northrup airc... more