2026
The Value of Potholing Contra Costa in High-Risk Dig Areas
Anyone who has spent time around excavation crews in Contra Costa knows the ground can be far more complicated than it looks from the surface. A trenching plan may appear straightforward on paper, then a locator marks half a dozen lines crossing the work zone, records are incomplete, and the site superintendent starts asking the right question: where exactly is everything, and how deep is it? That is where potholing earns its keep. In high-risk dig areas, potholing is
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