Mining for Gold at Jacksonville, on the road to Yosemite.

Mining for Gold at Jacksonville, on the road to Yosemite.

Hydraulic Mining - Behind the Pipes, in the Kennebeck Claim, Birchville, Nevada County.

Placer Mining - Columbia, Tuolumne Co., Mining out a ranch.

Placer Mining - Columbia, Tuolumne Co., interior of the dump-box.

Placer Mining - Columbia, Tuolumne Co., from the top of the dump-box.

Placer Mining - Columbia, Tuolumne Co., from the top of the dump-box.

Placer Mining, Columbia, Tuolumne Co. The Columbia Claim.

Placer Mining in Columbia Gulch, general views of the Columbia Claim, Tuolumne County.

Placer Mining - In the Boulder Range, Columbia, Tuolomne Co.

A Miner, "panning out."

Placer Mining, Brown's Flat, Tuolumne County.

Placer Mining at Volcano, Amador County, working in the dump-box.

Placer Mining at Volcano, Amador County.

Placer Mining at Volcano, Amador County, The dump and sluice.

Hydraulic Mining - The Palm Claim, Timbuctoo, Yuba County.

Hydraulic Mining - Timbuctoo Diggings, Yuba Co.

Hydraulic Mining - Timbuctoo Diggings, Yuba Co.

Hydraulic Mining - Timbuctoo Diggings, Yuba Co.

Hydraulic mining - the sluice.

Hydraulic mining - washing down the bank into the sluice.

Hydraulic Mining - washing down the bank into the sluice.

Hydraulic mining - behind the pipes.

Hydraulic mining - behind the pipes.

Hydraulic mining - The Palm claim, Timbuctoo, Yuba County.

Hydraulic mining - The Palm claim, Timbuctoo, Yuba County.

Hydraulic mining - The gate, Yuba County.

Hydraulic Mining.

Hydraulic Mining, Cal.

Primitive mining, the old rocker. C.E. Watkins posing as miner.