Casgliadau Arlein

Ordnance Survey 1:10,560 second edition mostly 1890s sheets 22 NW, NE, SW, SE; 23 NW, NE, SW, SE; 27 NW, NE, SW, SE; 28 NW, NE, SW, SE, covering SW part of Monmouthshire coalfield, overlaid with mss. coloured mineral lease information, early 1900s. 40 printed sheets backed onto linen and folded into card covers.