http://d.yimg.com/a/p/ap/20100508/ca...W9dAgorHUELg--AP - A novel but risky attempt to use a 100-ton steel-and-concrete box to cover a deepwater oil well gushing toxic crude into the Gulf of Mexico was aborted Saturday after ice crystals encased it, an ominous development as thick blobs of tar began washing up on Alabama's white sand beaches.
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