slurry cutoff walls

Keller North America is described on its website as North America's leading geotechnical specialty contractor, combining local expertise with the strength and resources of a global organization. It solves geotechnical challenges across the entire construction spectrum, with a history reflecting more than a century of delivering reliable geotechnical solutions. It is one of the connected companies of Keller, described as the world's largest geotechnical contractor with offices in more than 40 countries.

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