Geological Survey (U.S.), Hayes, C. W., & Lindgren, W. (1911). Contributions to economic geology (short papers and preliminary reports) 1910: Part I -- metals and nonmetals except fuels. Government Printing Office.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), C. W. 1859-1916 Hayes, and Waldemar Lindgren. Contributions to Economic Geology (short Papers and Preliminary Reports) 1910: Part I -- Metals and Nonmetals Except Fuels. Washington, [D.C.]: Government Printing Office, 1911.
MLA (8th ed.) CitationGeological Survey (U.S.), et al. Contributions to Economic Geology (short Papers and Preliminary Reports) 1910: Part I -- Metals and Nonmetals Except Fuels. Government Printing Office, 1911.
Warning: These citations may not always be 100% accurate.