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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 […]

NGI (Norwegian Geotechnical Institute) is a leading international centre for research and consulting in the geosciences. NGI develops optimum solutions for society, and offers expertise on the behaviour of soil, rock and snow and their […]

Blog of Lee Allison, Arizona State Geologist. Visit Arizona Geology