Without a doubt. Any city at sea level 10,000 years ago is now at least 400 feet down.
Darn that global warming! Hey, they say if we cut the CO2 according to what the environmentalists say is needed, that coastal cities will be under 100' of ice by next century. Looks like it's swim or freeze in igloos, I'll take swim, he said as he started up a couple of SUVs for good practice :-)