magnolia springs now has government money to keep those barges out here for four months. at the first sight of oil, they'll move the last barge in place. >> the barge with the crane just gets diagonally placed between there, and this barge. and that seals the gap. >> reporter: how confident are you you're going to block this oil? >> i'm very confident that we're going to block the stuff on top of the water. >> reporter: how about below? >> scares me to death. >> reporter: oil hasn't reached here, but local officials say it's just a matter of time that traces of oil have been found about 10 nautical miles out. the residents here say they're going to give everything they've got to protect what they call their piece of heaven. mary snow, cnn, magnolia springs, alabama. >> and one more programming note for you. you have seen the devastation from the oil disaster. now cnn is giving you a chance to help. join us monday night for an all-star relief effort to help rebuild the gulf coast.