Series Number Id: GSGS 3062; Sheet number: 57d SE2 + 57c SW1 (Parts); Edition number: 2e, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC02; envelope_number: 52, Manuscript markings on face: water supply in Martinpuich - Eaucourt l+#039;Abbaye area; Manuscript on reverse: +quot;Lt Hayter RE+quot;
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