Assay Office (Lead, S.D.)
Found in 264 Collections and/or Records:
9729-90 -- Crucible Tray Assay Office, 1989-12-29
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.
9761-70 -- Aaptor Ring for New Fan Assay Office, 1990-02-13
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.
10047-90 -- Duct for Pulverizer Dust Control Assay Office, 1991-07-25
Sheet 1 of 2
10205 91 -- Assay Office Mixing Gable Dust Collector, 1992-08-18
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.
10216-91 -- Exhaust ductwork for west side of Assay Building, 1992-10-14
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.
A-31-030-1 -- Attic (Assay Office Bldg.) Homestake Mining Co. Lead, South Dakota, 1931
Drawn By: G.F.S.
Scale: 1/4" = 1'-0"
Blueprint paper copy. Plan view Homestake Mining Company Assay Office Building, Lead, South Dakota. This drawing covers the attic of the assay office building at the South Mill with sprinkler layout and valves. "Automatics" Sprinkler Corp. of America, Youngstown, Ohio.
A-31-030-2 -- Sections (Assay Office Bldg.) Homestake Mining Co. Lead, South Dakota, 1931
Drawn By: G.F.S.
Scale: 1/4" = 1'-0"
Blueprint paper copy. Section views of the Homestake Mining Company Assay Office Building, Lead, South Dakota. This drawing covers the attic of the assay office building at the South Mill with water lines and valves. "Automatics" Sprinkler Corp. of America, Youngstown, Ohio.
A3031-100-127 -- Multiple Cupel Machine for Assay Office Assembly and Detail, 1939-01-17
Sheet 1 of 3
A6244-99-126 -- Assay Office Dust Collector Hood North Hood, 1969-07-16
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.
A8764-85 -- Sanford Day Bottom Dump Car Assy., 1993-04-21
Sheet 1 of 9