Sheet 270 - South London (1 inch to the mile, Drift)
OS revised: 1901 to 1902, Geological Survey resurveyed: 1898 to 1914, Revised: 1941, Published: 1921, Reprinted: 1951 Size: map 46 x 61 cm (ca. 18 x 24 inches), on sheet ca. 58 x 71 cm (ca. 23 x 28 inches)