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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 … |