Welcome to the USGS Geologic Hazards Team

Shaft Drillers International delivers both ground modification solutions and mechanically excavated shafts. Experience is the hallmark of SDI. Each project benefits from more than 30 years of dedication and service in the fields of ground […]

The National Geodetic Data Center (NGDC) of NOAA has an online collection of photos of various geologic hazards. Many of the photos are from older sets of 35mm slides that have been digitized. They are free to use provided you credit the photographer and the NGDC as the source. The would be really useful for educators and for powerpoint presentations. The only drawback is that they are in TIF format and some of them could use some retouching. (Photo by University of Colorado, made available by NOAA/NGDC)

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Geosynthetica.net is continually developing to provide comprehensive construction documents and technical support information for engineers, regulators, contractors, installers, and facility owners involved with civil and geotechnical works containing geosynthetics. Its initiation was in response to […]