Dee ihe na-esote paragraf a - 67th Siege Bty bufere 42nd HAG na Fifth Army na Ypres Salient na 19 Mee. Mgbe ahụ, e mere ya ruo howitzers isii ma sonyeere ya na June site na ndị ọrụ nke ngalaba sitere na 318th Siege Bty bịara ọhụrụ. E guzobere batrị a n'ogige Prees Heath n'ọnwa Disemba gara aga mana ụmụ nwoke ahụ zụrụ ọzụzụ na howitzers 6-inch. (Akụkụ nke ọzọ nke 318th wusiri 145th Siege Bty ike n'otu oge ahụ.) N'ụbọchị iri abụọ na itoolu n'ọnwa Juun, batrị ahụ agbasawanyere na 99th HAG na ndị agha nke abụọ ka ndị agha nke abụọ na nke ise kwadebere maka mwakpo nke atọ nke Ypres. Ọrụ nke ndị agha nke abụọ bụ inye nkwado, mana ka mkpọsa ahụ na-agbada, ọ weghaara nduzi nke agha na Septemba. Agha Ndị A Lụrụ n'Ụzọ Menin
, Polygon Wood na Broodseinde nwere nnukwu ihe ịga nke ọma n'ihi ịdị arọ nke egbe ndị agha na-ebute n'ọnọdụ ndị German. Mana ka mwakpo ahụ gara n'ihu na Poelcappelle na Agha nke Mbụ na nke Abụọ nke Passchendaele, tebụl tụgharịrị: a na-ahụ batrị ndị Britain nke ọma site na Passchendaele Ridge ma na-enwetakwa ọkụ CB, ebe egbe ha mikpuru n'ime apịtị wee sie ike ịlele ma gbaa. 67th Siege Bty nọ na 16th HAG site na 29 Septemba, mgbe ahụ na 1st Canadian HAG site na 24 Ọktọba, na-akwado ndị Canadian Corps na Passchendaele ruo na njedebe nke ọgụ ahụ.