19900811 Burnham Trip Western US 09-21-2005—11-13-2025

19900811a Burnham Trip Western Devil's Tower Wyoming

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19900812a Burnham Trip Western Cody Wyoming

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19900813a Burnham Trip Western Yellowstone National Park Wyoming

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19900821a Burnham Trip Western Craters Of The Moon National Monument Idaho

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19900822a Burnham Trip Western Dinosaur National Monument Vernal Utah

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19900823a Burnham Trip Western Rocky Mountain National Park Colorado

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19900826a Burnham Trip Western Rocky Mountain National Park Colorado

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19900827a Burnham Trip Western Rocky Mountain National Park Colorado

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19900828a Burnham Trip Western Denver Museum Of Natural History Colorado And SeaWorld Ohio

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