Geological Survey (U.S.) & ProQuest (Firm). (1908). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 347. The Ketchikan and Wrangell mining districts, Alaska. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 347. The Ketchikan and Wrangell Mining Districts, Alaska. Washington: [publisher not identified], 1908.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 347. The Ketchikan and Wrangell Mining Districts, Alaska. [publisher not identified], 1908.