Production:0152: Revision history

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    February 8, 2023

    • curprev 16:4416:44, February 8, 2023‎ Jennifer.Obrad talk contribs‎ 2,714 bytes +2,714‎ Created page with "{| class="wikitable" ! year !! DMM !! operator !! address !! production !! cumulative !! opening !! depth !! seam !! thickness !! method !! days !! emp |- | 1908 || || Keystone-Big Muddy Coal Co. || Marion || 4,658 || || slope || 150 || #6 || 6 || RP || 98 || 17 |- | 1909 || || Keystone-Big Muddy Coal Co., Keystone || Marion || 22,032 || || slope || 150 || #6 || 6.5 || RP || 144 || 63 |- | 1910 || || || Marion || 28,742 || || slope || 150 || #6 || 6 || RP || 105 |..."
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