Lancashire XCIII.NW (6 inch to the mile) - Lancashire XCIII.NW (6 inch to the mile)
OS revised: 1926 to 1927, Geological Survey resurveyed: 1928 to 1932, Published: 1934 Size: map 31 x 46 cm (ca. 12 x 18 inches), on sheet ca. 47 x 67 cm (ca. 18 x 26 inches)