Production:6806

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Revision as of 17:25, February 28, 2023 by Jennifer.Obrad (talk | contribs) (Created page with "{| class="wikitable" ! year !! DMM !! operator !! address !! production !! cumulative !! opening !! depth !! seam !! thickness !! method !! days !! emp |- | 1934 || || C. M. & F. J. Bruce || Marion || 6,440 || 6,440 || || || || || ug || 250 || 9 |}")
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year DMM operator address production cumulative opening depth seam thickness method days emp
1934 C. M. & F. J. Bruce Marion 6,440 6,440 ug 250 9
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