Grand Canyon NPS:
Grand Canyon Trail of Time - Coconino Sandstone 2111
Grand Canyon NPS:
Grand Canyon Trail of Time - Coconino Sandstone 2107
Grand Canyon NPS:
Grand Canyon National Park: Grandeur Point 2118
Grand Canyon NPS:
Grand Canyon Trail of Time - Diamond creek granite - 0325
Grand Canyon NPS:
Grand Canyon Trail of Time - Trinity granite - 0327
Grand Canyon NPS:
Grand Canyon Trail of Time - Folded Vishnu basement rock - 0331
Grand Canyon NPS:
Grand Canyon Trail of Time - Surprise Canyon conglomerate - 0429
Grand Canyon NPS:
Grand Canyon Trail of Time - Walcott shale - 0401
Grand Canyon NPS:
Grand Canyon Trail of Time - Tapeats sandstone - 0411
Grand Canyon NPS:
Grand Canyon Trail of Time - Supergroup stromatolite - 0368
Grand Canyon NPS:
Grand Canyon Trail of Time - Watahomigi Limestone - 0430
Grand Canyon NPS:
Grand Canyon Trail of Time - Shinumo sandstone - 0359
Grand Canyon NPS:
Grand Canyon Trail of Time - Wescogame conglomerate - 0435
Grand Canyon NPS:
Grand Canyon Trail of Time - Tanner limestone - 0390
Grand Canyon NPS:
Grand Canyon Trail of Time - Bass limestone - 0356
Grand Canyon NPS:
Grand Canyon Trail of Time - Quartermaster granite - 0348
Grand Canyon NPS:
Grand Canyon Trail of Time - Carbon Canyon limestone - 0395
Grand Canyon NPS:
Grand Canyon Trail of Time - bass sandstone - 0369
Grand Canyon NPS:
Grand Canyon Trail of Time - Cardenas basalt - 0370
Grand Canyon NPS:
Grand Canyon Trail of Time - Nankoweap sandstone - 0389
Grand Canyon NPS:
Grand Canyon Trail of Time - Hakatai sandstone - 0357
Grand Canyon NPS:
Grand Canyon Trail of Time - Hotauta conglomerate - 0353
Grand Canyon NPS:
Grand Canyon Trail of Time - Redwall limestone - 0427
Grand Canyon NPS:
Grand Canyon Trail of Time - Dupa sandstone - 0396
Grand Canyon NPS:
Grand Canyon Trail of Time - Basalt (lava rock) - 0442
Grand Canyon NPS:
Grand Canyon Trail of Time - Esplanade sandstone - 0438
Grand Canyon NPS:
Grand Canyon Trail of Time - Banded spring deposits - 0472
Grand Canyon NPS:
Grand Canyon Trail of Time - Toroweap sandstone - 0451
Grand Canyon NPS:
Grand Canyon Trail of Time - Kaibab Limestone - 0454
Grand Canyon NPS:
Grand Canyon Trail of Time - Hermit shale - 0442
