United States. Bureau of Mines. (1921). New talc grinding capacity in U.S. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. New Talc Grinding Capacity in U.S. [Washington]: [publisher not identified], 1921.
MLA (9th ed.) CitationUnited States. Bureau of Mines. New Talc Grinding Capacity in U.S. [publisher not identified], 1921.
Warning: These citations may not always be 100% accurate.