Box 1
Container
Contains 14 Results:
Ore Reserves, 1993 - 2000
File — Box: 1, Folder: 21-32
Identifier: Series 4
Scope and Contents
From the Collection:
This collection includes the records of assays carried out by and for the Homestake Mining Company including assay sheets and ore estimates. Series I Dry Drills consists of assay sheets for samples taken from dry drill holes. Series II Assays consists of assays of ore from the South Dakota holdings of Homestake. These records include the assays for random grab pile and car samples as well as assays of...
Dates:
1993 - 2000
Ore Reserve Info, 1954 - 1979
File — Box: 1, Folder: 33
Identifier: Series 4
Scope and Contents
From the Collection:
This collection includes the records of assays carried out by and for the Homestake Mining Company including assay sheets and ore estimates. Series I Dry Drills consists of assay sheets for samples taken from dry drill holes. Series II Assays consists of assays of ore from the South Dakota holdings of Homestake. These records include the assays for random grab pile and car samples as well as assays of...
Dates:
1954 - 1979
Ore Estimate Dilution, 1959 - 1967
File — Box: 1, Folder: 34
Identifier: Series 4
Scope and Contents
From the Collection:
This collection includes the records of assays carried out by and for the Homestake Mining Company including assay sheets and ore estimates. Series I Dry Drills consists of assay sheets for samples taken from dry drill holes. Series II Assays consists of assays of ore from the South Dakota holdings of Homestake. These records include the assays for random grab pile and car samples as well as assays of...
Dates:
1959 - 1967
Ore Status Report on Mine Ores, 1987
File — Box: 1, Folder: 35
Identifier: Series 4
Scope and Contents
From the Collection:
This collection includes the records of assays carried out by and for the Homestake Mining Company including assay sheets and ore estimates. Series I Dry Drills consists of assay sheets for samples taken from dry drill holes. Series II Assays consists of assays of ore from the South Dakota holdings of Homestake. These records include the assays for random grab pile and car samples as well as assays of...
Dates:
1987