alternating orientation of blocks evidenced by steel hawser in centre of face then in corner of cube Steel hawser remnant
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Concrete rectangular pillbox located at back of dunes overlooking road off beach. Now used for service duct, either electric or water board. […]
Explosives store at Allenheads, Northumberland. Recently cleared of vegetation (2021). This is part of the Allenheads Mine complex. Construction is identical to […]