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.
Homepage for one of the best free resources for engineering geologists, the USBR Engineering Geology Field Manual. They also have information on Terrestrial 3d Photogrammetry and LIDAR for rock mass characterization and other applications. Visit […]
Geotechnical engineering consultants located in Tucson, AZ specializing in the transportation industry. Expertise includes drilled shafts, MSE-walls, soil nail walls, side-hill retaining walls, forensic analysis, and more. NCS also advises ADOT and other agencies on […]