Geology and Origin of the Iron ore Deposits of the Zenith mine Vermilon district, Minnesota
Machamer, Jerome T.
Geology and Origin of the Iron ore Deposits of the Zenith mine Vermilon district, Minnesota - Minnesota : University of Minnesota, 1968. - 56 p. : mapas, 3 pliegos en sobre ; 22 cm.
Geology and Origin of the Iron ore Deposits of the Zenith mine Vermilon district, Minnesota - Minnesota : University of Minnesota, 1968. - 56 p. : mapas, 3 pliegos en sobre ; 22 cm.