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Expenditures, inventories, maps
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Mine plans
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Drilling analyses
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Plaster mill and plaster packing, schematic diagram, undated
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
"Quick-as-a-wink" solenoid operated air valves schematic, 1948
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Rotary drill test holes, 1950-1972 and undated
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Annual tons crush to mill, 1992-1996
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Core drilling analyses, 1977-1978
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Daily drill logs, 1951 June
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Drill logs, 1951-1979 and undated
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
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