A map of the 8th Division's gains on the Passchendaele ridge December 1917
Own work
Usedtoknowthat Based on a map in "The Eighth Division 1914-1918" by Lt.-Col. J H Boraston and Capt. C E O Bax, opposite p166. Naval &amp; Military press ISBN9871843421894. Originally published 1926. Standard unit/formation symbols used, approximate position of ridge marked.