“Golden Gulches,” a book recently published by the Breckenridge Heritage Alliance, shines the spotlight on the area’s hydraulic mining, an antiquated technique in which entire hillsides were washed ...

Hydraulic mining with powerful hoses called giants or monitors caused great damage to the environment in the 1880s. Fed by diverted streams and reservoirs, pressure hoses washed loosened gravel and ...

Placer gold is that which is loose in the soil and closest to the surface. Placer mining requires water to wash the dirt, perseverance and a strong back. Gold is the heaviest material in the soil, and ...

If you asked when and where California’s first gold rush began, few people would be able to tell you it was in 1842, in the western foothills of Southern California’s San Gabriel Mountains. That ...

Komatsu says its new PC4000-11E hydraulic mining excavator can bring both the powerful digging force of high-performance diesel machines and the emission-free operation of battery power to some of the ...

Sunnen Products Company, a global leader in precision bore finishing equipment, highlights the HTE 1600W Tube Hone, an all-electric honing machine designed to revolutionize hydraulic component ...