[randita]

I say divert some of the water from the Tigris or Euphrates and flood the sucker. Tunnels under water are totally useless.

That might not be the best course of action. Who knows what might be in those tunnels that would poison the rivers?

[crz]

A whole bunch of red dye smoke blown into them to see just where the outlets are will do. Spy planes will take the proper pics and then we know just about where and what to watch for.