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French Corral
UMG23A55_428

French Corral

Placer Mining. The Arastra ca. 1866
UMG22A21_303

Placer Mining. The Arastra ca. 1866

Placer Mining
UMG22A21_300

Placer Mining

Placer Mining
UMG22A21_301

Placer Mining

Placer Mining
UMG22A21_302

Placer Mining

California History - Placer Mining, Brown's Flat, Tuolomne County circa 1866.
UMG21A21_126

California History - Placer Mining, Brown's Flat, ...

Gold Dust.' Placer mining at Rockerville, Dak. Old timers, Spriggs, Lamb and Dillon at work 1889 .
UMG21A20_033

Gold Dust.' Placer mining at Rockerville, Dak. Old...

California History - Placer Mining at Volcano, Amador County - the Dump and Sluice circa 1866.
UMG21A21_092

California History - Placer Mining at Volcano, Ama...

California History - Placer Mining in Columbia Gulch, Tuolomne Co. circa 1866.
UMG21A21_128

California History - Placer Mining in Columbia Gul...

California History - Placer Mining at Volcano, Amador County circa 1866 .
UMG21A21_093

California History - Placer Mining at Volcano, Ama...

California History - Placer Mining --Columbia,Tuolumne County - the hoisting wheel of the Daley Claim circa 1866.
UMG21A21_127

California History - Placer Mining --Columbia,Tuol...

Colorado. Placer mining 1900
UMG20A61_140

Colorado. Placer mining 1900

Hydraulic mining, at Gold Run, Placer County 1867
UMG20A65_136

Hydraulic mining, at Gold Run, Placer County 1867

Gold Dust." Placer mining at Rockerville, Dakota. Old timers, Spriggs, Lamb and Dillon at work 1889
UMG20A64_045

Gold Dust." Placer mining at Rockerville, Dakota. ...

Placer mining near the Yukon River, Alaska 1927
UMG20A69_106

Placer mining near the Yukon River, Alaska 1927

Mining on beach 1920
UMG20A67_298

Mining on beach 1920

Chicago, Milwaukee, and St. Paul Railway Company - 1881 1881
UMG20A03_269

Chicago, Milwaukee, and St. Paul Railway Company -...