also prevented full clearance of the minefields after the war. This led to some French farmers being blown up in the 1930s when they started using tractors e.g. around Gouzeaucourt. See also List of heavy mortars Weapons of comparable role, performance and era Mortier de 58 mm type 2 French equivalent Image gallery Notes and references Bibliography Handbook of the M.L. 2-inch trench mortar, Mark I: land service. War Office, United Kingdom, 1917. "History of the Ministry of Munitions", 1922. Volume XI, Part I Trench Warfare Supplies. Facsimile reprint by Imperial War Museum and Naval & Military Press, 2008 Appendix D. Details of Trench Mortars. in Field Artillery Notes No. 7. US Army War College August 1917. Provided online by Combined Arms Research Library Appendix E. Details of Ammunition. in Field Artillery Notes No. 7. US Army War College August 1917. Provided online by Combined Arms Research Library "Artillery in Offensive Operations" GHQ Artillery Notes No. 4 January/February 1917. Redistributed by US Army War College August 1917. Provided online by Combined Arms Research Library Dale Clarke, British Artillery 1914-1919. Field Army Artillery. Osprey Publishing, Oxford UK, 2004 Simon Jones, World War I Gas Warfare Tactics and Equipment. Osprey Publishing, Oxford, 2007 Lt. Colonel E.R. Pratt O.B.E. M.C., "The Origin of a Fuse", 1965. WL Ruffell, The 2-inch Howitzer External links World War I mortars of the United Kingdom World War II artillery of Australia World War I artillery of Australia 50 mm artillery