2011 Mining History Association Field Trip
Bannack, Montana
June 3, 2011
Tour Leaders: Staff of Bannack State Park
PHOTO GALLERY 2
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Apex Cyanide Mill, c 1914
Park Ranger describes the process
Bob Weldin heeds the cyanide warning
Cyanide treatment tank
Bullion furnace
Bullion furnace close-up
Assay building
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