United States. Federal Board for Vocational Education. (1919). General mining. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. General Mining. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. General Mining. GPO, 1919.
Warning: These citations may not always be 100% accurate.