Cornwall 75nw, 6". Perranuthnoe, 1907/1908, reprinted 1911.
Cornwall 75nw, 6". Perranuthnoe, 1907/1908, reprinted 1911. Black outline and contours and blue 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.