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Thread: MN-Nat

  1. #21
    Senior Member xMackx's Avatar
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    Just wanted to show ya what i worked on this weekend Tim. This one wasn't as uniform in color as I wanted but it seems to work pretty good, but this was the biggest piece I could find at the moment. It's pretty darn hard for siltstone, spent several hours lapping it and I'm not quite done yet.
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  2. #22
    Senior Member rodb's Avatar
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    There's old slate mines south of Duluth, I'm going up there sometime this spring/summer and check it out
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  3. #23
    This is not my actual head. HNSB's Avatar
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    Quote Originally Posted by rodb View Post
    There's old slate mines south of Duluth, I'm going up there sometime this spring/summer and check it out
    If you want a digging partner, let me know...

    Strange women lying in ponds distributing swords is no basis for a system of government.

  4. #24
    Senior Member rodb's Avatar
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    Quote Originally Posted by HNSB View Post
    If you want a digging partner, let me know...
    Sure!!
    For those in MN here's the geology map of MN http://www.lakesuperiorstreams.org/u...eology_map.pdf
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