Rocks in foreground, side of forested mountain

Construction equipment on side of mountain

Drilling machine on rock bed

Piece of machinery on railroad track

Construction equipment in mountain pass

Vehicle climing mountain dirt road

Construction equipment on dirt road

Men, truck, and rock on side of mountain

View of equipment in mountain pass

Men and equipment in cut in mountain'

Track and completed tunnel opening

Workman smothing rocky track bed

Vehicle on rail track and workmen

Railroad track and dirt road

Completed railroad track

Vehicle running on railroad track

Crew working on an elevated lift in cut in rock

Distance view of cut in rock

Workmn and guage with scaffolding

Machinery in valley cut through rock