Malakoff, North Bloomfield Gravel Mining.
Malakoff Diggings, North Bloomfield Gravel Mining.
Malakoff Diggings, North Bloomfield Gravel Mining.
Malakoff Diggings, North Bloomfield Gravel Mining.
Malakoff Diggings from Columbia Hill, North Bloomfield Gravel Mining.
Union Diggings, Columbia Hill, Nevada Co.
Hydraulic Digging, Nevada County, Cal.
Malakoff Diggings, North Bloomfield Gravel Mining.
Hydraulic Mining - Behind the Pipes, in the Kennebeck Claim, Birchville, Nevada County.
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 - In the Boulder Range, Columbia, Tuolomne Co.
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 - 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, Gold Run C.P.R.R. Cal.
Hydraulic Gold Mining, California.
Gold Bearing Pyramid, California.
Hydraulic mining in California.