Series Number Id: GSGS 2742; Sheet number: 57c SW; Edition number: 2b, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC11; envelope_number: 282, Manuscript markings: Guillemont - Ginchy - Delville Wood - SW of Flers; Battle of the Somme; manuscript on reverse: M.Green?
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