Geological Survey (U.S.) & ProQuest (Firm). (1904). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Forest conditions in the Little Belt Mountains Forest Reserve, Montana, and the Little Belt Mountains Quadrangle. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Forest Conditions in the Little Belt Mountains Forest Reserve, Montana, and the Little Belt Mountains Quadrangle. Washington: [publisher not identified], 1904.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. Charles D. Walcott, Director. Forest Conditions in the Little Belt Mountains Forest Reserve, Montana, and the Little Belt Mountains Quadrangle. [publisher not identified], 1904.