KPIX CBS 5 Eyewitness News At 530PM May 15, 2011
moreganza louisiana with the latest. >> reporter: the spillway was opened in louisiana this afternoon for the first time in many years. >> it is an historic day. >> and opening the spillway could inundate 3,000 square miles of low lying swamp and cropland affects thousands of residents. the release will be gradual, beginning with one of 125 flood gates. more gates will be opened as the floodwaters move downstream. >> it is going to be under tremendous pressure for quite a long time. >> and just 24 hours, water in this field will be two feet deep. engineers say opening the spillway wi...