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Gold Mining Equipment In The 1850 039 S

2018-8-30average an nual income from mining wa s 44 , since miners worked an average of 37 days per year. Tabl e 2 summarizes sma ll-scale gold placer operations in 13 of Oregons 36 counties and in 358 creeks and dry placers in the State during 1935. The two princ ipal placer mining coun ties were Jackson and Josephine.

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  • STATE OF OREGON DEPARTMENT OF GEOLOGY AND

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