 | “Hydraulic Method of Mining”This intricate image shows water falling from a high cliff in the background into wooden flumes; a miner working a hydraulic monitor on the nearby slope, and another miner examining the sluice box. |
| “Hydraulic Method of Mining”This intricate image shows water falling from a high cliff in the background into wooden flumes; a miner working a hydraulic monitor on the nearby slope, and another miner examining the sluice box. |