Unstable Area

“Unstable area” means a location that is susceptible to natural or human-induced events or forces capable of impairing the integrity of some or all of a division-approved facility’s structural components.  Examples of unstable areas are areas of poor foundation conditions, areas susceptible to mass earth movements and karst terrain areas where karst topography is developed as a result of dissolution of limestone, dolomite or other soluble rock.  Characteristic physiographic features of karst terrain include sinkholes, sinking streams, caves, large springs and blind valleys.

Source: Oil and Gas, New Mexico Administrative Code Title 19, Chapter 15, January 2013. Regulations

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