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Bedrock Exposures
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Brassua Lake
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Devonian
Earth Sciences
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First Roach Pond
Geochemistry
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Geologic Folds
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Geomorphology
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Invertebrate Fossils
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Kennebec Formation
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Long Pond
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Moose River
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Moosehead Lake
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Ordovician
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Other Earth Sciences
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Paleontology
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Paleozoic
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Pierce Pond
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Piscataquis County
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Ragged Lake
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Roach River
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Seboomook Lake
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Somerset County
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Stratigraphic Geology
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Stratigraphy
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Synclinoria
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Tectonics and Structure
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