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Penn
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Central Vulcan Engine House, Change House, Shaft House
Central Vulcan mining operations and facilities, featuring lumber piles, from the A.D. Chisholm album
Vulcan, MI; Vulcan Mine; Central Penn Mine; Iron mining; Lumber; Mine buildings; Houses;
Photo Collection
Cross Section of System
Color drawing of East Vulcan Mine, featuring main haulage level, from the A.D. Chisholm album
Vulcan, MI; East Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
Longitudinal of One Block in Sub Level Mining System
Color drawing of East Vulcan Mine, featuring main haulage level, from the A.D. Chisholm album
Vulcan, MI; East Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
Penn Hospital
Penn Hospital, featuring landscape grounds and sidewalk, from the A.D. Chisholm album
Vulcan, MI; Penn Hospital; Hospitals; Facilities; Sidewalks; Fire Escapes; Firefighting equipment; Lawns; Trees;
Photo Collection
Perspective of East Vulcan Mine Shaft
Color drawing of East Vulcan Mine, featuring mine shaft and skip, from the A.D. Chisholm album
Vulcan, MI; Vulcan Mine; East Penn Mine; Iron mining; Maps; Diagrams; Design drawings; Elevators;
Photo Collection
Perspective of Mining Method, Loading Incline
Color drawing of East Vulcan Mine, featuring main haulage level, from the A.D. Chisholm album
Vulcan, MI; East Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
Plan of Sub Level Mining System
Color drawing of East Vulcan Mine, featuring limits of mining block, from the A.D. Chisholm album
Vulcan, MI; East Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
Sturgeonfalls Hydro-Electric Plant
Aerial view of the Sturgeon Falls Hydro-Electric Plant and surrounding area, from the A.D. Chisholm album
Vulcan, MI; Vulcan Mine; Penn Mine; Iron mining; Hydroelectric power; Dams; Facilities; Forests; Rapids;
Photo Collection
Sub drifting using scraper to remove ore
Color drawing of East Vulcan Mine, featuring scraper, from the A.D. Chisholm album
Vulcan, MI; Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
Sub Level 9' Timbered Drift
Color drawing of East Vulcan Mine, featuring timbered drift, from the A.D. Chisholm album
Vulcan, MI; Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings; Logs;
Photo Collection
Typical Cross Section, Average Thickness of Formations
Color drawing of East Vulcan Mine, featuring main haulage level, from the A.D. Chisholm album
Vulcan, MI; East Vulcan Mine; Penn Mine; Iron mining; Maps; Diagrams; Design drawings;
Photo Collection
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