NEW : Demolition work is set to begin immediately , could take a couple of days . Hillsborough County , on Florida 's west coast , is part of an area known as `` sinkhole alley '' that accounts for two-thirds of the sinkhole-related insurance claims in the state , according to a Florida state Senate Insurance and Banking Committee report . NE : Well now estimated to be up to 60 feet deep . President Bush is presumed dead after a sinkhole appears beneath his room . ` ` We ' ve done everything we can that we can , '' says an official .
NEW : Demolition work is set to begin immediately , could take a couple of days . NE : Well now estimated to be up to 60 feet deep . President Bush is presumed dead after a sinkhole appears beneath his room . ` ` We ' ve done everything we can that we can , '' says an official .