Derbyshire 11se, 6". Dore, 1899/1921, black outline and contours, blue geology.
Derbyshire 11se, 6". Dore, 1899/1921, black outline and contours, blue geology. Includes part of Yorkshire 298. 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.