Electrek’s Take Komatsu PC4000-11E electric drive hydraulic mining excavator; via Komatsu. I’ve said it before and I’ll say it again: commercial fleet managers know no political ideology.

The largest hydraulic gold mining operation in California was the North Bloomfield Gravel Mining Company, known today as the Malakoff Diggins State Historic Park, 26 miles northeast of Nevada City.

Caterpillar now offers an innovative 2-piece bucket for Cat® hydraulic mining shovels. The design reduces downtime by limiting refurbishment to the area of the bucket subjected to most of the ...

However, gold was eventually discovered in gravel piles in the area and hydraulic mining would begin at the site in 1853. By 1857, Humbug City swelled to 500 people, had its own post office and ...

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.

Hydraulic mining sent hundreds of cubic tons of rocks, gravel and earth crashing into the Yuba River, which flows to the Sacramento River and eventually San Francisco Bay.

“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 ...

Gold mining by the new hydraulic process was enjoying great success in 1855. Towns with strange sounding names like Walloupa, Gouge Eye, Humbug, Grizzly Hill, You Bet and Red Dog dotted the landscape ...

Hydraulic mining was a commercially effective method, but it was highly destructive to the landscape, and it fouled the water for downstream users.

Nevada County town names are synonymous with “Gold Rush” and “gold rush country.” Nevada City is a living museum of California’s rich Argonaut period, and its appearance is quite improved from the ...