Production:5667: Revision history

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    February 9, 2023

    • curprev 12:2912:29, February 9, 2023Cheri talk contribs 361 bytes +361 Created page with "{| class="wikitable" ! year !! operator !! address !! production !! cumulative !! opening !! depth !! seam !! thickness !! method !! days !! emp !! worked |- | 1882 || Alexander Helm || Streator || 6,000 || || shaft || 50 || #7 || 4.5 || || 12 mo || 15 || 2 of 23 |- | 1883 || || || 7,320 || 13,320 || shaft || 50 || #7 || 5 || || 12 mo || 14 || 5 of 23 |}"