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Griffin, John R.
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Paper Map
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Geology, Structural
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Geology
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1. Reconnaissance bedrock geology of the Bangor quadrangle, Maine
Griffin, John R. Maine Geological Survey,.
2. Reconnaissance bedrock geology of the Orono quadrangle, Maine
Griffin, John R. Maine Geological Survey,.
3. Reconnaissance bedrock geology of the Saponac quadrangle, Maine
Griffin, John R. Maine Geological Survey,.