P&H Mining Equipment 4100 AC Mining Shovel Walkthrough | Highway Engineering

When it comes to gold mining during the California Gold Rush, what many people visualize is a gold miner hunched over at a river panning for gold with a tin pan. For placer mining during the Gold Rush, using a gold pan didn’t last long and more environmentally destructive practices were used. In this video, Kathy discusses hydraulic mining. Hydraulic mining involved using large high-pressure water cannons to wash away hill sides looking for gold veins in quartz. Although it was successful in ext

At its phosphate mine in North Carolina, USA, PotashCorp is leveraging technology to manage the risk of operator fatigue. Take a look. | Cat Mining

Phosphate mining is one of the most destructive practices on Earth -- a brutal process that completely destroys landscapes and leaves behind 200-foot-tall, radioactive waste piles, which put people and wildlife, from gopher tortoises to sandhill cranes, at risk. It's time for us to stand against this dangerous, destructive practice. Floridians -- tell your elected officials to do everything in their power to end the blight of phosphate #mining in Florida: http://ow.ly/I8V3309UnJn #phosphate #rad