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2012 | 2011 | 2010 | 2009 |
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(Click to
see large size photos) |
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The Aa and Pahoehoe lava
near Sunset Crater. |
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Students use hand lenses to observe minerals in
hand samples. |
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Sunset crater. |
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Crater of the San Francisco Mountain. |
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Lava flow trail, sunset
crater. |
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Group picture at Grand Canyon (trip 2). |
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Grand Canyon, South Rim.
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Grand Canyon, South Rim. |
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Kaibab Fm.
Permian fossils near Bright Angel Lodge. |
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Intrusion and metamorphism on Cross
Mountain Road. |
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The Great Unconformity
outcrop. |
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Peach Springs Tuff outcrop at the I-40 roadcut. |
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| Last
Update: 07/09/2012 |
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