The dump is a place where disaster frequently happens in open mining activities. Whether the dump could work normally directly affects the normal mining production.

排土场是露天矿山灾害的多发部位，排土场使用情况的好坏直接关系到矿山生产能否顺利进行。

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Dean also offered a spirited defense of New Orleans Mayor Ray Nagin and Louisiana Gov. Kathleen Blanco, both Democrats, saying that "spin doctors in the Republican Party" were trying to dump blame for the disaster response on them.

CNN: Dean: U.S. must face 'ugly truth' about Katrina