Iron mining in Minnesota

by Van Barneveld, Charles E (Charles Edwin), 1874-1942
Published 1912

Mechanical underground loading in metal mines,

by Van Barneveld, Charles E (Charles Edwin), 1874-1942, Van Barneveld, Charles Edwin, 1874-
Published 1924

Leaching nonsulphide copper ores with sulphur dioxide /

by Van Barneveld, Charles E (Charles Edwin), 1874-1942, Leaver, E. S (Edmund Spriggs), 1873-1943
Published 1923

Iron mining in Minnesota

by Van Barneveld, Charles E (Charles Edwin), 1874-1942, Van Barneveld, Charles Edwin, 1874-, Van Barneveld, Charles Edwin, b. 1874
Published 1912