Yorkshire 284 nw. Mexborough. Surveyed 1929, issued 1934.
Yorkshire 284 nw. Mexborough. Surveyed 1929, issued 1934. Outline geology in black on grey basemap with red contours. 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.