Cornwall 63se, 6". Lanner, 1906/1908, reprinted 1942.
Cornwall 63se, 6". Lanner, 1906/1908, reprinted 1942. Grey outline and contours and black geology. Trimmed with centre fold. In good condition
About the England Six Inch County Series (later edition)
These early 20th century geological maps are at 1:10,560 scale, based on county layout. Each sheet covers 2 x 3 miles in considerable detail.