MIM was one of three companies founded in 1924 to develop the minerals discovered by Miles, but production did not begin until May 1931. The other two companies were Mount Isa Silver Lead Proprietary and Mount Isa South.
MIM was one of three companies established in 1924 to exploit the mineral resources uncovered by Miles, but production commenced in May 1931. The other two firms were Mount Isa Silver Lead Proprietary and Mount Isa South.