County Information

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Cassia County Idaho

Very many gravel bars and bench deposits along the Snake River are credited with a total production of 22,000 ounces of gold in Cassia County, 1,736 ounces in Jerome County and 133 ounces in Minidoka County.

Black Pine

Reported by: Clint M. Davis

The Black Pine Mountain area in southeastern Cassia County is home to a number of old Hard rock mines. The largest is the Black Pine Mine owned by Pegasus which was worked as a open pit in the late 1980's and 90's and is currently under rehabilitation. Primary mineral was gold but silver was also recovered.


Burley is in Cassia County by this information relates to Jerome and Minidoka County as well. The area placer workings along the snake River in Township 9 and 10 South, Range 24 and 25 East were very productive. The Lead and silver mines in Township 15 and 16 south and Range 21 east has gold showings on the ore dumps. May be a good place to metal detect.

Snake River

Reported by: Clint M. Davis

The Snake River from American Falls Dam down stream to the Bell Rapids area in Twin Falls County is loaded with micro gold. Area was worked by the Chinese in the late 1890's - 1910. It experienced a revival during the depression with reports of people earning $30 a day in some areas. This gold is really hard to recover, a poop sluice being the preferred method.

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