Yorkshire 262 sw. Darton. Surveyed 1933, issued 1936.
Yorkshire 262 sw. Darton. Surveyed 1933, issued 1936. Outline geology in blue on black basemap with red contours. Hand-coloured. Pencil section line across east half. Slightly soiled. In good to 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.