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MR24-325 2.05-11.2 03/27/24 <br /> <br />x Barricade Chamber Access Escape Shaft <br />x 10-Right Dewatering Boreholes 1 and 2 <br />x Substation No. 11 (NMD) Power-Drop Borehole <br />x NW Mains Ventilation Shaft and Borehole <br />x 6-Main North Ventilation/Escape Shaft and associated utility boreholes (7) <br />x EMD Ventilation/Escape Shafts (2, sealed in late 2009) <br />x 18-Right Ventilation/Escape Shaft (sealed in late 2009) <br />x 18-Left Ventilation Intake and Return Shafts and associated utility boreholes <br />x 19-Right Mine Dewatering Borehole <br />x 16-Left Utility Borehole <br />x 17-Left Cement (WMD Stabilization) Borehole (sealed in 2013) <br />x 15-Left Ventilation Shaft (permitted, pad constructed. Shaft and Rock dust tank installation withdrawn) <br />x 5-Main North Borehole <br />x 10-East Emergency Borehole (permitted but not completed) <br />x SWMD Thickener Underflow Borehole <br />x Sandstone Sub Thickener Underflow Borehole <br />x SWMD and WMD Thickener Underflow boreholes (2) <br />x 7-East Cross Entries Cement Borehole <br />x 18LT Dewatering Borehole <br />x 6-East Utility Bleeder Borehole <br />x WC Mains Utility Borehole <br />