Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2465
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2464 Cottonwood Campground before 1966 Flood
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2463
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2462
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2430
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2429
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2427
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2426
Grand Canyon NPS:
Trans-canyon pipeline (historic) 2425
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 2424
Grand Canyon NPS:
Trans-canyon Pipeline (Historic) 0304