Revision history of "File:5.png"

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  • (cur | prev) 20:18, 5 February 2015RTkachenko (talk | contribs). . (207 bytes) (+207). . (Primary and secondary stope extraction sequence for a shallowly plunging orebody. P1, primary stope cemented fill; S1, secondary stope unconsolidated fill. The numbers show the sequence of stope extractions.)