Our geoscience geologists and engineering teams employ state of the art technology and industry standard methodologies.
Geophysical surveys are an integral part of any geotechnical investigation. J.S. Held's licensed geophysicists have conducted hundreds of geophysical surveys. Their experience includes detecting post tension cables, ground studies, sinkhole investigations, isolated utility locates, buried debris, void detection and delineation, archaeological services, and large-scale microgravity surveys.
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