View of open-pit mine at Jerome in Arizona, USA. Timber of old underground mining can be seen in the sides of the pit. Loose rock barred down from steep pit walls. Sulphide ore mined by small shovels mounted on caterpillars. Light trucks haul the ore to chutes.
Large copper reserves in Arizona are mined by Caving System. Exteriors of a copper mine plant at Ray in Arizona, USA. View of the surface pit above the mine.
View of the main haulage tracks for ore cars inside a copper mine drift at Ray in Arizona, USA. The drifts branch off beneath the ore. A mine worker stands beside an ore car. Another miner climbs a ladder.
View of ventilated drift inside a copper mine at Butte in Montana, USA. A canvas air pipe runs along the length of the drift. Timber blocks support the ceilings of the drift.
Exteriors of United States Treasury building in Washington DC, USA. Vehicular and pedestrian traffic outside the building.
View of the Grand Army of Republic Monument in Washington DC, USA. Exteriors of the Pension building. Leafless trees and vehicular traffic outside the building.
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