Observed arrival · 2026-09-01
The Dirt Reader: A Field Guide to Texas Soil
A Central Texas guide to expansive clay, foundation movement, lot-by-lot differences, and the signs homeowners can inspect before calling a professional.
Field notes
The guide explains differential movement as seasonal expansion and contraction that affects different parts of a slab unevenly, then translates that mechanism into visible checks around a house. It separates Bexar County into soil zones and points readers toward USDA NRCS material, including descriptions of Houston Black and Branyon clays. The author repeatedly limits the page’s authority: it is educational material from a Texas real estate sales agent, not an inspection or engineering assessment.
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Editorial observations of this landing page, not a rating.
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