Yorkshire 233 nw. Black Gates. Surveyed 1930, issued 1948.
Yorkshire 233 nw. Black Gates. Surveyed 1930, issued 1948. Outline geology in black on grey basemap with red contours. Soiled. Tape residue on top edge. 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.