Search results

(1 - 20 of 20)

: Child working at a mining patio

: College of Mines

: College of Mines

: El Diente mountain near Tampico

: Final washing

: Mine entrance

: Miners

: Miner's cabin

: Miners' pack mules

: A mining sky pilot

: A mining sky pilot

: Pachuca

: Patio process

: Patio process

: Patio process

: A real friend to the prospector

: Rosario mine

: San Rafael

: Settling tanks

: View of the patios