Assay Reports, Mine Series and Car Samples, 1960

File — Box: 3, Folder: 6-7

Identifier: Series 2

Staff Only

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 systematically collected ore.

Series III Diamond Drill Assays consists of records of the core of rock recovered in long cylindrical sections by a diamond drill.

Series IV Reports consists of reports on ore estimates, correspondence, assay tabulation results, sketches and graphs prepared from the estimate information, reserve calculations, and annual reports from the Geologic Department and the Chief Geologist. Also found in this series are Life of Mine reports.

Dates

1960

Conditions Governing Access

This collection is housed at the Homestake Adams Research and Cultural Center with no restrictions to access. The collection may be utilized during normal operating hours or by appointment.