Peering into the earth: Geophysical techniques can find rock for forest roads — Ear to the Ground

Fresh off the stump and replete with water, fresh-cut timber is heavy stuff. A fully loaded logging truck can tip the scales at 68,000 pounds, which is the weight equivalent of approximately 17 average-size cars. To support this kind of weight, forest roads must be built strong with good, hard rock. How hard? Generally, the […]

via Peering into the earth: Geophysical techniques can find rock for forest roads — Ear to the Ground