Surface Shafts, Crushing Plants and Tramway
Subject
Subject Source: Local sources
Found in 4634 Collections and/or Records:
E-52-1 -- Oro Hondo Fan House: Exhaust System - Contour Map of Hill West of Oro Hondo Shaft
Item — Cabinet 12, Drawer: 6, Folder: Misc. Folder 15
Scope and Contents
Sheet 1
Dates:
1877 - 2007
E-52-1 -- Oro Hondo Fan House: Exhaust System - Contour Map South of Oro Hondo Shaft
Item — Cabinet 12, Drawer: 6, Folder: Misc. Folder 15
Scope and Contents
Sheet 2
Dates:
1877 - 2007
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Closed Circuit on Third Stage using Belts, 1950-02-04
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #1
Dates:
1950-02-04
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Closed Circuit on Third Stage using Belts, 1950-01-25
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #1C
Dates:
1950-01-25
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.1 Plan & Elevation Views, 1952-01-21
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #14
Dates:
1952-01-21
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.4 Gallery, 1951-05-09
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #6
Dates:
1951-05-09
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.4 Plan Views, 1951-03-26
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #4
Dates:
1951-03-26
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.4 Sectional Views, 1951-03-26
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #5
Dates:
1951-03-26
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.5 Plan View, 1951-05-08
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #7
Dates:
1951-05-08
E-100-1 -- Ross Shaft-Conveyors, Crushers, & Dust Ctrl, Conveyor No.5 Sectional Views, 1951-03-26
Item — Cabinet 2, Drawer: 17, Folder: Ross 4
Scope and Contents
Sheet #8
Dates:
1951-03-26