Up 4-Development Underground in the DS Seam at Warsop Main Colliery During the 1970's & 1980's Prev Next Slideshow

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00 Deep
01-Upward
02-View
  03-Downward.jpg - 003-Downward View of the Nearly Completed D.S. Vertical Bunker Built Using Circular Concrete Rings.  
04-Spelching
05-Repairs
06-Temporary
07-Temporary Supports
08-View

003-Downward View of the Nearly Completed D.S. Vertical Bunker Built Using Circular Concrete Rings. Download
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