Lancashire 88ne, 6". Rochdale, west, 1911/1929, black outline, blue geology.
Lancashire 88ne, 6". Rochdale, west, 1911/1929, black outline, blue geology. In very 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.