Shaft measurements relative to OD  (from closure plans)

North shaft:  

• Surface:
• top deck running-on level            +520.58 ft 
• bottom deck running-on level     +514.16 ft
• Top Hard inset   (520 yd)
• bottom deck running-on level     -1045.38 ft
• roadway height                                     12 ft
• 2nd Waterloo       (564 yd)
• (depth 591 yd)

South shaft:

• Surface:
• top deck running-on level            +514.11 ft 
• bottom deck running-on level     +507.79 ft
• Top Hard inset             (508 yd)
• roadway height                                     12 ft
• Dunsil inset                 (536 yd)
• Deep Hard inset          (763 yd)
• bottom deck running-on level     -1783.23 ft
• roadway height                                       18 ft
• Pump inset
• Low Main (bricked)    
• Blackshale (bricked)

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05 May, 2009