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Archive for August 8th, 2006

Your Foundation Is On What Kind of Soil?

My concrete slab foundation sits on Branyon clay. A couple of blocks away there are areas of Houston-Black and Lewisville silty clay. None of this is happy news.
How did I aquire this fascinating knowledge? Why, from the Web Soil Survey tool on the USDA’s Natural Resources Conservation Service website.
The survey says the “linear extensibility”, engineer [...]