Lancashire 92nw, 6". Ormskirk, south, 1928/1933, black outline, blue geology, red contours.
Lancashire 92nw, 6". Ormskirk, south, 1928/1933, black outline, blue geology, red contours. In fair 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.