There's still a lot of it in the ground, and the regular digging up of shells and other war metal is nicknamed the iron harvest. https://en.wikipedia.org/wiki/

There's still a lot of it in the ground, and the regular digging up of shells and other war metal is nicknamed the iron harvest. https://en.wikipedia.org/wiki/Iron_harvest https://en.wikipedia.org/wiki/Iron_harvest Choice quote "The French Département du Déminage (Department of Mine Clearance) recovers about 900 tons of unexploded munitions every year."