Debris points to lost lake sites
(World News Science)

Many of us assume that the shape of our coastlines is more or less a constant feature of geography. We all accept that the occasional severe storm might result in the loss of some shorefront property, but surely these changes are insignificant when considered on a continental scale. Actually, a variety of climatological and geological processes have, over the millennia, altered America`s coasts in fairly significant ways. The Third Coast is no exception. The Ice Ages brought dramatic changes to the Great Lakes, with...