Virginia based specialty geotechnical contractor focusing on ground anchors and anchored structures including tieback walls, soil nailing, micropiles, foundation underpinning, and structure tiedowns.
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Brierley Associates
Geotechnical and tunnel design consultant with offices in Colorado, New York, Texas and Massachusetts. Visit Brierley Associates
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CTL Thompson
Our geotechnical engineers, geologists and scientists are seasoned professionals with backgrounds in geotechnical, civil and structural engineering; industrial hygiene; biology and geology. With such diverse resources, CTL|Thompson has built time-tested trust with our technical excellence, […]
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US Geologic Survey – USGS
The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and […]