With local expertise backed by national resources, Terracon provides geotechnical, environmental, construction materials and facilities services nationwide with more than 95 offices and 3,000 employees.
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Geology.com
A great source for geology news and they also have a number of interesting and useful resources and maps. Visit Geology.com
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Welcome to the USGS Geologic Hazards Team
Visit Welcome to the USGS Geologic Hazards Team
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Penetradar Ground Penetrating Radar Systems
RIS Ground Penetrating Radar (GPR) Systems can accurately and nondestructively “see” through solid pavement materials, such as asphalt, concrete and soil to detect subsurface objects and determine the condition and thickness of the material examined. […]