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1875 Rain sculpture, Salt Creek C … Exploration Book Rain sculpture, Salt Creek C … |
1875 Rock carved by drifting sand … Exploration Book Rock carved by drifting sand … |
1875 Lava, Lower Sevier, Utah. Exploration Book Lava from valley of Lower Se … |
1877 XX. Cretaceous. Exploration Book Cretaceous. P. Roetter del. … |
1889 Mouth, Canon, Virgin River. Exploration Book Scene at mouth of Canon of t … |
1889 Dripping Pool, Kanab Canyon. Exploration Book Dripping Pool, Kanab Canyon, … |
1889 Headwaters, Paria Creek. Exploration Book Headwaters of Paria Creek fr … |
1889 El Vado de Los Padres, Color … Exploration Book El Vado de Los Padres, Color … |
1889 Crossing, Colorado River nea … Exploration Book Crossing of the Colorado Riv … |
1877 Astronomical observatory, Og … Exploration Book Plan and elevation of the as … |