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Excavation projects, 1952
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Gardner-Denver mold drill, 1959
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Hydraulic boom assembly for AirTrac, Ingersoll-Rand, 1957
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Cut-off calculations, 1958
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Gypsum shooting analysis, pit 8, 1954
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Mining equipment performance and availability, 1972
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Ore waste estimates, 1970
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Ore and waste schedule, 1979-1980
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Ore grade reserves, 1987-1990
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Ore extraction logs by area
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
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