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Final reserve estimate, Wisser and Cox, consulting geologists, 1959
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Old records, underground and quarry, 1949-1952
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Fuel receipt book, 1965-1980
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Fuel storage and fast-fill maps, undated
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Compressed air information, 1978
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Equipment hours, 1955
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Monthly hour meter reports, 1981
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Monthly availability study, 1982
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Waste removal cost analysis, 1948-1956
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
Ore reserves, Marion's figures, 1959
Level of Description
File
Archival Collection
Blue Diamond Mine Corporate Records
Archival Component
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