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UM Geologist Describes Where Gold Comes From

David Alt, author and a retired professor of geology at the University of Montana, explains why gold was found in Grasshopper Creek and the surrounding gulches.

"At Bannack, as in many gold mining districts, much of the production came fast and early from bonanza deposits in stream placers. Early miners working the gravels in the streambed skimmed the cream off the district, leaving the hardest...


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