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roy.luck: Coal mine near Helper UT
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roy.luck: Geology stop above Helper UT
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roy.luck: Helper UT
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roy.luck: Geology stop at Helper UT
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roy.luck: Geologist and rental vehicle
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roy.luck: Ravine below Book Cliffs
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roy.luck: Lower shoreface sequence, Book Cliffs
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roy.luck: Lower shoreface sequence
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roy.luck: Lower shoreface sequence, Book Cliffs UT
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roy.luck: Book Cliffs near Green River UT
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roy.luck: Sure sign of a geology field trip, Book Cliffs UT
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roy.luck: Book Cliffs under scattered afternoon cloud
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roy.luck: Buttes above Green River UT
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roy.luck: Buttes above Green River UT
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roy.luck: Dead Horse Point UT, looking down on Colorado River
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roy.luck: Butte above Green River
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roy.luck: Butte above Green River
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roy.luck: Green River buttes under afternoon storm
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roy.luck: Geologists discuss outcrops from afar at Book Cliffs
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roy.luck: Book Cliffs under leaden sky
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roy.luck: Thunderstorm, Book Cliffs UT
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roy.luck: Book Cliffs from I-70.
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roy.luck: Book Cliffs UT
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roy.luck: Book Cliffs and rainbow
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roy.luck: Book Cliffs and vertical rainbow
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roy.luck: Expedition vehicles parked below Book Cliffs
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roy.luck: Off to another outcrop
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roy.luck: Fossiliferous beds of the Morrison Formation
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roy.luck: Field trip co-leader Mark Bouman
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roy.luck: Dinosaur leg bone