The historical narrative covers the activities of the French army (ignored in many accounts), the British occupation of the Vimy sector, & the decisive offensive of 1917. Of particular interest is the coverage of the Canadian Memorial Park, the Canadian tunnel system (which still survives), & the Canadian guides who are present the year around to escort visitors.
...
Topographical survey of Belgium at 1:20, 000 from Nationaal Geografisch Instituut / Institut Géographique National, the country’s national survey organization. Each 20K map covers one quarter of the corresponding 1:50, 000 map (with adjustments in the border & coastal areas). The maps provide all the information expected of topographic mapping at this scale & in addition have an unusually large amount of vegetation and/or land use information (different types of woodlands, gardens, orchards, heath, etc). The maps have a 1-km UTM grid, with margin ticks for latitude & longitude at intervals of 1`. Map legend & a glossary of terms used on the maps include English. Stanfords keeps as regular stock 20K maps for the World War I battlefields around the Ypres, Messines & Passchendaele, & for the area of the Battle of Waterloo. The 1:20, 000 survey covers the whole of Belgium & maps for other regions can be supplied as special orders. To see the list of titles in this series please click on the series link.PLEASE NOTE: the Long-Distance Footpaths Map of Belgium at 1:300, 000 which shows the division of Belgium into the 50K survey sheets can also be used to see in more detail coverage by the 20K maps.