Geological Survey (U.S.) & ProQuest (Firm). (1914). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 562. Results of spirit leveling in Virginia 1900 to 1913, inclusive. [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 562. Results of Spirit Leveling in Virginia 1900 to 1913, Inclusive. Washington: [publisher not identified], 1914.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 562. Results of Spirit Leveling in Virginia 1900 to 1913, Inclusive. [publisher not identified], 1914.