5925253 ?Making battlefield fertile land once more: a great heap of manure for enriching the soil?, 15 February 1918 (b/w photo) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: ?Making battlefield fertile land once more: a great heap of manure for enriching the soil?, 15 February 1918. Photograph, World War One, Western Front (1914-1918), 1918. Members of the Army Service Corps shovel manure into a horse-drawn cart. The millions of draught and pack animals and cavalry horses used by the Allies produced thousands of tons of manure. The latter encouraged disease-carrying insects. To avoid contagion the dung was gathered up and transported to the rear to fertilize crops. One of 193 British and Allied official photographs.); by National Army Museum .