DYWIDAG-Systems International (DSI) is America’s leading manufacturer & supplier of specialist ground support products to the underground coal & metalliferous mining sectors. They also are one of the suppliers of hollow core or self-drilling soil nails.
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gINT Geoenvironmental and Geotechnical Software
gINT Geotechnical and Geoenvironmental Software; user-customizable report generation for borehole and boring logs, well log plotting, and fence diagrams supporting geotechnical cross-sections Visit gINT Geoenvironmental and Geotechnical Software
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ENR
Excellent news magazine for the civil engineering industry. Visit ENR
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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.