Introduction Michigan
Ropes Gold Mine Mr. Southworth was part of the group that took the Lumex RA915+ over to the Ropes gold mine area within the Deer Lake watershed. The site of the historic Ropes Gold Mine in Marquette County (46 29'N , 87 40'W) represents an area of known mercury use during the gold mining era of the late 1890s. Mercury metal had been used to
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