Production:91830010

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Revision as of 10:07, February 13, 2020 by Cheri (talk | contribs) (Created page with "{| class="wikitable" ! year !! DMM !! operator !! production !! cumulative !! opening !! depth !! seam !! thickness !! method !! days !! emp |- | 1879 || || C. Dobbins || (un...")
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year DMM operator production cumulative opening depth seam thickness method days emp
1879 C. Dobbins (unknown) shaft 60 5.5
1882 800 surface 10 6 12 mo
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