Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC05; envelope_number: 139, Manuscript on face: Light railways in area Aveluy - Ovillers - Pozieres - mouquet Farm - Thepval - Authuille - St. Pierre Division. Manuscript on reverse: J.J. LOVATT RE. Slight repair to one fold.
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