Hydraulic mining. Miners using high-pressure water hoses to dislodge rock and mineral deposits at a mine for later processing. This mine is near French Corral,Nevada County,California,USA. This area was among those that saw prospectors arrive in great numbers in the 1850s searching for gold. This photograph was published in 1866 by the California company Lawrence and Houseworth | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 4426 px × 3994 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |