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1كتاب
المساهمون: Biewick, Laura H., United States. Bureau of Indian Affairs., Geological Survey (U.S.)
مصطلحات موضوعية: Coal mines and mining -- Montana -- Fort Peck Indian Reservation.
المساهمون: Biewick, Laura H., United States. Bureau of Indian Affairs., Geological Survey (U.S.)
مصطلحات موضوعية: Coal mines and mining -- Montana -- Fort Peck Indian Reservation.