Partially affiliated with the Geoengineer.org website, this Yahoo! Group has over 900 members that submit geotechnical questions for the entire membership to respond on.
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Herrenknecht
Herrenknecht is a manufacturer of tunnel boring machines and other tunnel construction technology products. Visit Herrenknecht
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Akkerman Inc.
Manufacturer of microtunneling, pipejacking, tunneling, guided boring and earth pressure balance equipment for tunnels up to 14-ft in diameter. Visit Akkerman Inc.
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Progressive Engineer
Progressive Engineer is an online magazine and information source covering all disciplines of engineering in the continental U.S. The magazine features profiles of engineers and companies and stories on projects that detail the accomplishments of […]