In the summer of 1990, the U.S. Geological Survey, Rice University and the Geological Survey of Canada conducted a seismic experiment across the Brooks Range, Alaska. The goal of the experiment was to produce a high-resolution image of the crust and upper mantle of the Brooks Range and flanking geologic provinces by combining reflection and refraction techniques. Five deployments of vertical sensors recorded 63 shots at 44 different locations along a 315 km profile. The nominal station spacing is 100 meters. Shot sizes varied from 100 lbs to 4000 lbs and the offsets varied from 0 to 200 km.
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