Contributions to economic geology (short papers and preliminary reports, 1925 : Part I. - Metals and nonmetals except fuels / by G.F. Loughlin [and] G.R. Mansfield, geologists in charge.
出版資料
Washington, D.C. : U.S. G.P.O., 1926.
複本
說明
167 p. : ill., xix pl. (incl. some fold. maps) ; 24 cm.
