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, industry experience, high standards of performance and professionalism.
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Arizona Wells
A truly user-friendly website where volumes of groundwater and other well data are available for free. The interface makes use of the very popular Google Maps/Google Earth interface. Visit Arizona Wells
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Salt Cavern Information Center
Information about storage of non-hazardous oil field wastes in salt caverns. Visit Salt Cavern Information Center
Press Releases
Ohio DOT Adopts GIS-Based EQuIS for Its Geotechnical Data Management
Redlands, California—The Ohio Department of Transportation (ODOT) will implement an enterprise version of EarthSoft’s Environmental Quality Information System (EQuIS) for ArcGIS to better manage, analyze, and share geotechnical data throughout the organization. An agreement between ODOT and EarthSoft, an ESRI business partner, will see EarthSoft provide the transportation industry standard Data Interchange for Geotechnical and Geoenvironmental Specialists (DIGGS) as electronic data deliverables (EDD). The new data will then reside and be accessible through ODOT’s enterprise-wide geographic information system (GIS)-supported EQuIS database.