With over 100 member firms from both northern and southern California, CGEA is California’s premier organization for geotechnical firms.
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This database contains a collection of USGS videos and animations. Although by no means exhaustive, the list provides a broad representation of USGS research available through visual media. Visit USGS Videos and Animations

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CTL Thompson
CTL|Thompson, Inc. is an integrated services firm offering thorough geotechnical engineering, environmental engineering, geostructural engineering and materials testing. Since our inception in 1971, our time-tested capabilities have grown to become a single source provider of […]

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Geotechnical work begins on Sydney’s $2.5B North West Rail Link
September 26, 2011
rockman
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Comments Off on Geotechnical work begins on Sydney’s $2.5B North West Rail Link
Geotechnical drilling has commenced for a massive Australian rail that will consist of Australia’s longest rail tunnel at 15.5km between Epping and Kellyville. The overall route will be 23km long. The investigations consist of 150 […]