Zion National Park, Utah. Ancient (Jurassic), cross-bedded sand dunes--now sandstone.
June, Geology 184
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Zion National Park, Utah. Ancient (Jurassic), cross-bedded sand dunes--now sandstone. June, Geology 184 |
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Dixville Notch in northern New Hampshire. June |
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Booth Bay Harbor on the coast of Maine. June |
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Camden, Maine coast. June |
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El Capitan Reef. An ancient (Permian) marine reef forms cliffs. Guadalupe Mtns, Texas, New Mexico July |
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Big Bend National Park, Texas July |
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Big Bend National Park, Texas July |
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