USACE Vicksburg District, U.S. Geological Survey conduct first-ever airborne geophysical survey
VICKSBURG, Miss. – An 800-pound dart-shaped instrument is the latest tool to map beneath the surface of levees in a partnership between the U.S. Army Corps of Engineers Vicksburg District and the U.S. Geological Survey. For the first time, a regional geophysical survey will provide a full overview of 800 miles of the Mississippi River mainline levees. Sometimes called a bird, the frequency domain system suspended from a helicopter will use frequency technology similar to LiDAR to differentiate between various soil layers and penetrate about 150 feet under the surface.

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Photo by: Eugene Wall |  VIRIN: 210709-D-BM664-001.JPG