2013 15MtIsa
Mt Isa Underground Hospital tunnels are dug into shale and used Gidyea timber supports
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.JPG){kind=small}
.JPG "Mt Isa Underground Hospital"){kind=small}
.JPG "Mt Isa Underground Hospital tunnels..."){kind=small}
.JPG "Mt Isa Underground Hospital tunnels."){kind=small}
.JPG "Mt Isa Underground Hospital tunnels"){kind=small}
