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Underground Mine Infrastructures / Operations

 Subject
Subject Source: Local sources

Found in 2892 Collections and/or Records:

Pin Hole Locations for Installing Structural Steel & Grizzly's 8000' Level #6 Shaft, 1986-02-11

 Item — Cabinet 4, Drawer: 4
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1986-02-11

Plan View of all Steel Manway & Bin Line, 1983-12-23

 Item — Cabinet 4, Drawer: 4
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1983-12-23

Proposal for Moving East & West-- Waste Conveyor to Raise Waste Pile 37', 1975-02-18

 Item — Cabinet 4, Drawer: 4
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1975-02-18

Proposed 15 Ton Spot Cooler

 Item — Cabinet 4, Drawer: 3
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1877 - 2007

Proposed 2600 Pump Room

 Item — Cabinet 4, Drawer: 4
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1877 - 2007

PROPOSED 6350 DRIFT SOUTH -- 19 LEDGE -- SCHUMACHER,EDLUND,PRICE, 1990-11-05

 Item — Cabinet 14, Drawer: 4, Folder: 12
Scope and Contents From the Collection:

The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.

Dates: 1990-11-05

PROPOSED 6350 DRIFT SOUTH -- 19 LEDGE -- SCHUMACHER,EDLUND,PRICE

 Item — Cabinet 14, Drawer: 4, Folder: 12
Scope and Contents

N -- just below is"West 19L - Ref. Line"

Dates: 1877 - 2007

PROPOSED 6350 DRIFT SOUTH -- 19 LEDGE -- SCHUMACHER,EDLUND,PRICE, 1990-06-04

 Item — Cabinet 14, Drawer: 4, Folder: 12
Scope and Contents

Drift footage from 25 Pil to 10 STP 1735 Foot

Dates: 1990-06-04

PROPOSED 6350 DRIFT SOUTH -- 19 LEDGE -- SCHUMACHER,EDLUND,PRICE, 1990-04-16

 Item — Cabinet 14, Drawer: 4, Folder: 12
Scope and Contents

Proposed 6350 Drift South

Dates: 1990-04-16

PROPOSED 6350 DRIFT SOUTH -- 19 LEDGE -- SCHUMACHER,EDLUND,PRICE, 1990-04-02

 Item — Cabinet 14, Drawer: 4, Folder: 12
Scope and Contents

Projection of ore on 6350 level based on 6650 Diamond Drilling--Proposed 6350 Drift South

Dates: 1990-04-02