[Army Air Corps]

Panning for gold in the sewers?

[ArrogantBustard]

There was a thread yesterday ... apparently, there’s enough gold from electronics industry effluent in the sewers of some Japanese city that the concentrated sewage sludge is effectively high-grade ore, and they’re turning a profit refining it.

[bgill]

http://www.telegraph.co.uk/news/worldnews/asia/japan/4429197/Japans-sewers-paved-with-gold.html