Homestake Mining Company. Engineering Department
Found in 284 Collections and/or Records:
A-33-062A -- Graph from January 1934 to December 1940 showing the relation of Subsidence in relation to Homestake Mine Sand Back-filling, 1940-12-31
A-33-072 -- Map of Break in Hydro #2 Wood Stave Pipe Line, 1974-07-28
Drawn By: H.J.S.
Scale: 1" = 20'
Linen original. Map of break in Hydro-Electric No. 2 52" Wood stave pipeline. Approximately 1/2 mile below American Siding. Coordinates are labelled as assumed. Has 5' contours. Shows where pipeline enters South Portal of Long Tunnel. Has plan and profile view.
A-33-074 -- Ross, Yates and South Mill Ground Showing Ore Tramways, 1948-10-07
Drawn By: H.J.S.
Scale: 1" = 100'
Tracing Paper original. Ross Shaft, Yates Shaft, and South Mill Group showing ore tramways. Shows 2 tunnel sections, tunnels, and snow sheds. Has Homestake coordinates.
A-33-074A -- Ore Tramways Ross and Yates, 1976-01-29
Drawn By: C.N.H. (Babe Heinen)
Scale: 1" = 100'
Tracing Paper original. Showing survey lines through tramways from South Mill, Yates Shaft, and Ross Shaft. Has Homestake coordinates.
A-33-074B -- Ore Tramway "Y" Between Ross, Yates, and Roundhouse, 1976
Tracing paper original. Survey plan of the Ore Tramway "Y" between The Ross Shaft, Yates Shaft, and Roundhouse. Has Homestake Coordinates.
A-33-077 -- Requested Permit by Carter Oil Company, 1952-01-14
Drawn By: L.G.W.
Scale: 1" = 60'
Tracing paper original. Requested permit by Carter Oil Company in Spearfish, S.D., Shwos Highway 85&14A, Highway 89, Shows Spearfish Canyon Golf Course and 2 potential locations for Carter Oil Company.
A-33-078 -- Savage Tunnel Timber Yard, 1952-06-03
Drawn By: L.W.M.
Scale: 1" = 20'
Linen original. Shows Area around the Savage Tunnel, Ross Tunnel, and Cap House along the Kirk Road. Has 5' contours near the Savage Tunnel.
A-33-081 -- Map of Lot to be Leased to MDU Blacktail S.D., 1978-11-27
A-33-081A -- Map of Lot to be Permitted to George T. Thoresen -- Blacktail S.D., Storage Only, 1979-07-10
A-33-084 -- New Sump North of Weir House and South of Country Club, 1979-10-09
Drawn By: C.N.H. (Babe Heinen)
Scale: Multiple Scales
Tracing paper original. New Sump north of Weir House and south of the Lead Country Club. Showing Plan Map (1/4"=1'), Plan View and 3 sections of the sump (all at 1/2"=1'), and an Area Map (1"=2000') showing relation to Rochford Road, Hanna Pump Station, Wars Draw, Keough Draw, and Homestake water ditch.