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• Barricade Chamber Access Escape Shaft <br />• 10 -Right Dewatering Boreholes I and 2 <br />• Substation No. 11 (NMD) Power -Drop Borehole <br />• NW Mains Ventilation Shaft and Borehole <br />• 6 -Main North Ventilation/Escape Shaft and associated utility boreholes (7) <br />• EMD Ventilation/Escape Shafts (2, sealed in late 2009) <br />• 18 -Right Ventilation/Escape Shaft (sealed in late 2009) <br />• 18 -Left Ventilation Intake and Return Shafts and associated utility boreholes <br />• 19 -Right Mine Dewatering Borehole (permitted but not completed) <br />• 16 -Left Utility Borehole <br />• 17 -Left Cement (WMD Stabilization) Borehole (sealed in 2013) <br />• 15 -Left Ventilation Shaft (permitted but not completed) <br />• 5 -Main North Borehole <br />• 10 -East Emergency Borehole (permitted but not completed) <br />• SWMD Thickener Underflow Borehole <br />• Sandstone Sub Thickener Underflow Borehole <br />• SWMD and WMD Thickener Underflow boreholes (2) <br />RN 17-07 2.05-11.2 02/15/18 <br />