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Aroostook County (Me.) 1

Brochures 1

Geology--Aroostook County (Me.) 1

Geology--Saint John River Valley (Me. and N.B.) 1

Hydroelectric power plants--Environmental aspects--Maine 1

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Letters (correspondence) 1

Mineralogy--Aroostook County (Me.) 1

Mineralogy--Saint John River Valley (Me. and N.B.) 1

Newspaper clippings 1

Power resources--New England 1

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Pumped storage power plants--New England 1

Saint John River Valley (Me. and N.B.) 1

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Maine Geological Survey 1

Martin, John L., 1941- 1

United States. Army. Corps of Engineers. New England Division 1

United States. Corps of Engineers 1