Yorkshire 231 nw. Halifax. Surveyed 1924, issued 1926.
Yorkshire 231 nw. Halifax. Surveyed 1924, issued 1926. Outline geology in blue on black basemap with red contours. Slightly soiled. In 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.