Geotechnical surveys at former Montana missile sites
Jace Rhodes, a staff scientist with Water & Environmental Technologies of Butte, Mont., uses a Propelled Energy Generator mounted to a utility task vehicle Aug. 12, 2025, to create seismic waves at a former Minuteman intercontinental ballistic missile launch facility near Conrad, Mont. Muti Channel Surface Wave Analysis is a non-intrusive geophysical method used to evaluate shear wave velocities and compression wave velocities of the changing subsurface soil strata. Seismic imaging will inform Sentinel ICBM decisions by predicting hard bedrock and soft pockets of soil below the site’s surface. (U.S. Air Force photo by John Turner)
PHOTO BY:
John Turner
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