Manganese ore deposits in Arizona,
Wilson, Eldred Dewey, 1898-1965.
Manganese ore deposits in Arizona, by Eldred D. Wilson and G. M. Butler. - Tucson, Published by the University of Arizona, 1930. - 104 p. illus.,tables. 23 cm. - University of Arizona. State Bureau of Mines. Mineral technology series ; no.32. .
At head of title: University of Arizona bulletin.
gs 30000057
Manganese ores--Arizona.
TN490.M3 / W5
MN 1.3:B 85/127
Manganese ore deposits in Arizona, by Eldred D. Wilson and G. M. Butler. - Tucson, Published by the University of Arizona, 1930. - 104 p. illus.,tables. 23 cm. - University of Arizona. State Bureau of Mines. Mineral technology series ; no.32. .
At head of title: University of Arizona bulletin.
gs 30000057
Manganese ores--Arizona.
TN490.M3 / W5
MN 1.3:B 85/127