Sub-series consists of records created and/or maintained by the 9th Battalion, Canadian Engineers, and document many aspects of its activities.
RG9 III volume 4419 includes the following files: Administrative arrangements 3 Sept. - 19 Oct. 1918( folder 1, file 1); Photos of British, French and German aircraft, 19 April - 25 Aug. 1918( folder 1, file 2); Armistice with Austria, Germany and Turkey, Nov. 1918( folder 1, file 3); Claims for billeting, 1918( folder 1, file 5); Bombs and grenades, 23 July 1918( folder 1, file 6); Divisional area boundaries, 6 - 10 Sept, 1918( folder 1, file 7); Bridges, 29 May- 11 Nov. 1918( folder 1, file 8); Location of cemeteries, 15 Aug. 1918( folder 1, file 9); Dripping, 17 - 26 Oct. 1918( folder 1, file 10); Army rest camps, 20 July - 11 Oct. 1918( folder 1, file 11); Camouflage, 4 Aug. 1918( folder 1, file 12); Distribution of canteen funds, 6 July - 10 Dec. 1918( folder 1, file 13); Casualty reports, 11 July - 7 Nov. 1918( folder 1, file 14); Congratulatory message from GOC Fourth Army. re.: battle of Amiens, 16 Aug. 1918( folder 1, file 15); Defensive action to be taken in case of attack, 30 June - 10 July 1918( folder 1, file 16); Provisional defence scheme, 3rd Cdn Div., 8 Sept. 1918( folder 1, file 17); Defence scheme, 3rd Bde, CE, 14 July 1918( folder 1, file 18); Defence scheme, 9th Cdn. Inf. Bale, Bruay sector( folder 1, file 19); Instructions re demolitions, 10 July 1918( folder 1, file 20); Suggestions re demobilization, 9 July 1918( folder 1, file 21); Dogs for means of communications, 7-13 Nov. 1918( folder 1, file 22); Uniformity of dress, 9 - 14 June 1918( folder 1, file 23); Amendments to Brigade HQ establishment, 11 June - 29 July 1918( folder 2, file 2); Flags of a uniform nature, flags of truce, 11 - 26 Nov. 1918( folder 2, file 3); Gas, 21 Oct. 1917-1 Dec. 1918( folder 2, file 4); Turning in of steel helmets, 3 Dec. 1918( folder 2, file 5); Intelligence summaries, 3rd Cdn Div., 1 Nov. 1918( folder 2, file 6); Reports on suspicious characters, information from prisoners, 27 June - 15 Nov. 1918( folder 2, file 7); Information obtained from German prisoners, notes on espionage, 6 April - 26 Sept 1918 (folder 2, file 8); Reports on interpreters, 2 Nov. 1918( folder 2, file 9); Maps and blueprints. Amiens( folder 2, file 10 - 11); Prevention of V.D. 24 Oct. 1918( folder 2, file 12); Location of medical early treatment centres, 11 April - 8 Nov. 1918( folder 2, file 13); Memorial to Lord Kitchener proposed by British units, 17 Oct. - 8 Nov. 1918( folder 2, file 14); Report on mines and booby traps in forward area, 24 Aug. - 8 Oct. 1918( folder 2, file 15); Drawings of German mines and booby traps, Raiblencourt, 6 July - 7 Nov. 1918( folder 2, file 16); Orders and instructions for moves and refiefs, 25 June -22 Oct. 1918( folder 2, file 17).
RG9 III volume 4420 includes the following files: Drawing of observation post ( folder 3, file 1 ); Operations. Somme, 24 July - 25 Aug. 1918 ( folder 3, file 2); Operations. Amiens, 6 - 14 Aug. 1918 ( folder 3, file 4); Operations. Moncht-Le-Preux, 21 Aug. - 19 Sept. 1918 ( folder 3, file 5); Operations. Drocourt-Quant Line, 2 -3 Sept. 1918 Operations. Cambrai, 23 Sept. - 9 Oct. 1918 ( folder 3, file 7); Operations. Canal du Nord, 2 -29 Sept. 1918 ( folder 3, file 8); Operations. Canal du Nord, 20 Aug. - 25 Sept . 1918 ( folder 3, file 9); Operations. Valenciennes: capture of Mont Houg, 20 Oct. - 4 Nov. 1918 ( folder 3, file 10); Operations. Mons, 21 Oct. - 11 Nov. 1918 ( folder 3, file 11); Operations summary, First Army, 21-22 Oct. 1918 ( folder 3, file 12); Notes on recent fighting, 10 April - 7 June 1918 ( folder 3, file 13); Minor operations 16th Battn, Lancashire Fusiliers, 30 June 1918 ( folder 3, file 14); Operation orders. 3rd Cdn Div., 29 Oct 1918 ( folder 4, file 2); Operation orders, 7th Cdn Inf. Bde, 29 Oct. 1918 ( folder 4, file 3); Operation orders, 9th Cdn Inf. Bde, 28-29 Oct. 1918 ( folder 4, file 4); Operation Orders, 9th Battn, CE, 10 Sept. - 4 Nov. 1918 ( folder 4, file 6); GROs by Sir Douglas Haig, 29 Nov. 1917-12 Oct. 1918 ( folder 4, file 7); Routine orders, Fourth Army, 29 June - 19 Aug. 1918 ( folder 4, file 9); Routine orders, VI Corps, 3 - 22 July 1918 ( folder 4, file 10); Routine orders, Cdn Corps, 17 Dec. 1917- 11 Sept. 1918 ( folder 4, file 11); Routine orders, 3rd Cdn Div. 3 Nov. 1917 - 28 Nov. 1918 ( folder 5, file 1).
RG9 III volume 4421 includes the following files: Prisoners taken after 11 Nov. 1918 to be released( folder 5, file 2); Statements by British prisoners of war, 4 Oct. 1918( folder 5, file 3); Light railways, salvage and repair, 30 Dec. 1917-10 Oct. 1917( folder 5, file 5); Records of service( folder 6, file 1); March to the Rhine, 2 Nov. - 31 Dec. 1918( folder 7, file 1); Report on Amiens - Mons road, 6 Aug. - 7 Nov. 1918( folder 7, file 2); Salvage of British and German material, 9 July-18 Oct. 1918( folder 7, file 3); Erection of road signs, 12 Aug. 1918( folder 7, file 4); Request for Army Books and forms, 4th June - 15 Oct. 1918( folder 7, file 5); Engineers' stores and material, 16 Feb. - 18 Oct. 1918( folder 7, file 7); Schools of instruction, 16 Nov. 1917 - 21 Nov. 1918( folder 7, file 9); Horse transport, 31 May - 16 Oct. 1918( folder 7, file 10); Trenches and dugouts, 2 Sept. - 8 Oct. 1918( folder 7, file 11); Circular re trophies, 20 Sept. 1918( folder 7, file 12); Marking of vehicles, 24-25 Nov. 1918( folder 7, file 13); Veterinary arrangements, Cdn Corps area., 6 Aug. 1918( folder 7, file 14); Water supply, 24 April 1917 - 26 Dec. 1918( folder 7, file 15); Work and working parties, 21 Feb. - 5 Dec. 1918( folder 7, file 16).
