Extensometers and Subsidence

2020-12-01T15:31:29-06:00December 1, 2020|Categories: Woodlands|Tags: , |

According to the Harris-Galveston Subsidence District (HGSD), land subsidence is the sinking of the earth’s surface due to subsurface (underground) movements. Land subsidence occurs when large amounts of groundwater have been excessively withdrawn from an aquifer. [...]