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1875 Pebbles carved by sand, Colo … Exploration Book Pebbles carved by sand, Colo … |
1875 Rock carved by the Colorado. Exploration Book Rock carved by the Colorado. … |
1875 Perched rock, Rocker Creek, … Exploration Book Perched rock, Rocker Creek, … |
1875 Lava, Lower Sevier, Utah. Exploration Book Lava from valley of Lower Se … |
1895 Hurricane Fault. Exploration Book The Hurricane Fault. (1895) |
1895 Temples, towers, Rio Virgen. Exploration Book Temples and towers of the Ri … |
1895 Grand Canyon, Toroweap. Exploration Book Panorama. Upper view looking … |
1895 Lava flow, Uinkaret. Exploration Book Recent lava flow on the Uink … |
1895 Gable with pinnacles. Exploration Book A gable with pinnacles (Gran … |
1895 Niches or panels, Red Wall l … Exploration Book Niches or panels in the Red … |
1895 Key to panorama from Point S … Exploration Book Key to the panorama from Poi … |
1895 Key to panorama from Point S … Exploration Book Key to the panorama from Poi … |
1895 Key to panorama from Point S … Exploration Book Key to the panorama from Poi … |
1895 Grand Canon, foot of the Tor … Exploration Book Grand Canyon at the foot of … |
1879 Bird's eye view of the Black … [Exploration Book, Regional Bird's eye view of the Black … |
1864 Valley and City of Mexico Exploration Book Valley and City of Mexico. L … |
1864 Popocatepetl. Iztaccihuatl Exploration Book Popocatepetl. Iztaccihuatl. … |