Northern Pit, showing construction. Tile in center marks Second North Wall. From east ... Scanned 2005 for the 75th anniversary exhibition and publication. 1726 Horizontal (normal) ... 1952
4th B.C. Hole. Rectangular Pits ... Ν-9 1725, 1726 LII-32 Section Ν 360 Section Ν 359
Mixed ... R. Wood ... 1601 1798 ... 1952