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<title>All About Slurry Walls and Biopolymer Trenches</title>
<link>http://www.articleside.com/business-articles/all-about-slurry-walls-and-biopolymer-trenches.htm</link>
<description>slurry walls have been used for decades to impede groundwater flow and to prevent earthen walls from collapsing during the excavation of building foundations and underground structures....</description> 
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