Mills, H.F., 1946, Iron King obtains fill by block-caving waste: Engineering and Mining Journal, v. 147, no. 10, p. 68-69.
Engineering and Mining Journal, v. 147, no. 10, p. 68-69.
Massive Sulfide, Lead, Zinc, Gold, Silver, Mineralization, Metamorphic, Mining Engineering, Proterozoic,