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Ventilation

 Subject
Subject Source: Local sources

Found in 371 Collections and/or Records:

9371-70 -- Trolly Beams over Condenser & Evaporator Pumps Mine Ventiliation, 1988-02-25

 Item — Cabinet Tan Cabinet 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: 1988-02-25

9373-70 -- Fan & Exhauster for 4850' Drill Shop, 1988-03-01

 Item — Cabinet Tan Cabinet 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: 1988-03-01

9378-70 -- Fan Adaptor for Vent Stack Cottrell & Vent Stack, 1988-03-09

 Item — Cabinet Tan Cabinet 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: 1988-03-09