Mineral resources of the United States /
Day, David T.
Mineral resources of the United States / David T. Day. - Washington : Goverment Printing Office, 1892-1894. - 4 v. : il. ; 23 cm.
Mineral resources of the United States / David T. Day. - Washington : Goverment Printing Office, 1892-1894. - 4 v. : il. ; 23 cm.
