Production:1830032

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Revision as of 09:41, February 14, 2020 by Cheri (talk | contribs) (Created page with "{| class="wikitable" ! year !! DMM !! operator !! production !! cumulative !! opening !! depth !! seam !! thickness !! method !! days !! emp |- | 1879 || || John Fisher || 10...")
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year DMM operator production cumulative opening depth seam thickness method days emp
1879 John Fisher 10,000 slope 15 6 10 mo
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