[tanknetter]

Hell, we still find unexploded ordnance here in the US from WWII.

WWII? Heck, they STILL haven't fully cleaned out all the WW1-era chemical munitions in Spring Valley in DC.

[txhurl]

I live in a little bitty neighborhood west of Austin that made gunpowder for confederate rifles out of bat guano from a massive cave up the road. The cover story for how our tiny town got on the map is we were milling corn and wheat for local farmers.