Wisconsin Geological amp Natural History Survey 187 Sphalerite
—Sphalerite was found at a number of mines in the Potosi-Tennyson region including the Wilson Mine, Old Trego Mine, and the Tiffany Mine, all in the SW NW Sec. 36 T.3N. R.3W. (Apell, 1947). Sphalerite is also noted at the Piquette #2 (Heyl, 1964) and the Pleumer level (Heyl, et al., 1959) in …
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