Geological Survey (U.S.) & ProQuest (Firm). (1925). Bulletin 750 Contributions to Economic Geology (Short papers and preliminary reports) 1923-1924 Part I. Metals and nonmetals except fuels. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Bulletin 750 Contributions to Economic Geology (Short Papers and Preliminary Reports) 1923-1924 Part I. Metals and Nonmetals Except Fuels. Washington: [publisher not identified], 1925.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Bulletin 750 Contributions to Economic Geology (Short Papers and Preliminary Reports) 1923-1924 Part I. Metals and Nonmetals Except Fuels. [publisher not identified], 1925.
Warning: These citations may not always be 100% accurate.