Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8278
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8281
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8299
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8301
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8312
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8314
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8317
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8318
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8320
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8321
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8322
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8323
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8325
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8328
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8328
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8334
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8336
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8838
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8340
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8341
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8343
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8345
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8346
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8348
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (2014) 8349
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse Turbine (1938) #01121
Grand Canyon NPS:
Grand Canyon National Park Powerhouse 16355
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse (1931) #16356
Grand Canyon NPS:
Grand Canyon National Park Powerhouse 16354
Grand Canyon NPS:
Grand Canyon National Park: Powerhouse Smokestack (1957) #03249
