You would think that with all of the technology available today, we’d be able to see what’s underground almost as well as we see what’s above ground. Unfortunately, that’s not the case - underground utility locating remains an issue.
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Report 2021
InfraMarker — News — InfraMarker by Berntsen
Madison firm's markers found at landmarks, boundaries around world
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GPRS Underground Utility Locating & Mapping: 99.8% Accurate