For the last few weeks strange loud booms have been heard in many towns and cities accross America and indeed accross the world.  One of those towns at the centre of the mystery is the small town of Clintonville.   “Clearly it simply jolts you. It sounds like someone drops a piece of dynamite outside of the building you’re in. Or that something sort of exploded under the ground. …We have checked gas lines, sewers, water pressures and consulted with meteorologists, seismologists, U. S. military, utilities experts and mining companies, but have come up empty-handed.” — Lisa Kuss, City Administrator, Clintonville, WI   Similar booms have also been head in Montello, Wisconsin The booms have been so frighteningly loud that local emergency services have…