At an archaeological site at Crow Canyon, near Cortez, Colorado, a team of archaeologists, supported by a PBS film crew, were using ground penetrating radar, magnetometry, and resistivity geophysical methods to try to image the subsurface of the Basketmaker III community. They also used airborne LIDAR to map out structure locations, drainage and irrigation features and even old paths. [Source: The Cortez Journal. Image: Cortez Journal]
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The Kansas Geological Survey has some interesting seismic equipment that they have used on behalf of the U.S. Department of Homeland Security to look for drug tunnels along the US-Mexico border. I’ve never seen anything quite like this. The sensors all appear to be placed within an old fire hose and mounted onto a Bobcat Toolcat utility machine. On the front of the vehicle is a cyllinder with a 60-lb weight that gets dropped. Read on. (Photo by Richard Gwin, LJWorld.com)