Geotextile manufacturer. In addition to the usual products for a company like this, they have a geotextile product deployed to combat areas. But what I really liked on their site was som cartoony schematic diagrams showing a French drain and trenches anchoring a separation geotextile on a slope before dumping riprap.
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Triggs Technologies
Development, manufacture, and sale of the Wildcat dynamic cone penetrometer, which economically and continuously measures strength, CBR, and N-values of soils to 25-foot depths. Visit Triggs Technologies
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Association of Environmental and Engineering Geologists (AEG)
Professional society for engineering geologists and environmental geologists. Visit Association of Environmental and Engineering Geologists (AEG)
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Layne GeoConstruction
Layne GeoConstruction specializes in jet grouting, micropiles, high and limited mobility grouting and anchors, utilizing real-time monitoring; vibro compaction and stone columns. Visit Layne GeoConstruction