Underground mine

Inventory list
Return to archival description
Identifier Sort ascending Title Level of description Date Digital object
Shotcrete slabbed away from wall Item View
Underground Mine Item View
Blowing out dirt from extensometer hole Item View
Thick unreinforced shotcrete Item View
Failed concrete under high lateral stress Item View
Reinforced shotcrete-supported tunnel undergoing closure Item View
Concrete arch Item View
Minor spalling of reinforced shotcrete Item View
Drilling core Item View