Bureau of Mines, United States. (1960). Mineral facts and problems (1960 ed.). US Government Printing Office.
Chicago Edition CitationBureau of Mines, United States. Mineral Facts and Problems. 1960 ed. Washington: US Government Printing Office, 1960.
MLA Edition CitationBureau of Mines, United States. Mineral Facts and Problems. 1960 ed. US Government Printing Office, 1960.
Warning: These citations may not always be 100% accurate.