Casoli Dam: reading the ground beneath a dam, without drilling

A dam holds back a lake. What holds back the dam? How we read the ground under Casoli Dam, in Abruzzo, from the surface: three electrical resistivity lines and five seismic refraction lines, one on the crest and one inside the tunnel, every sensor positioned with GNSS RTK.

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Every radar line needs an address: GPR and SLAM at Nerito and Colle del Vento

At two sites in the mountains of Crognaleto, GGM.EARTH built the surface first with SLAM and drone, then looked beneath it with GPR. Why a buried anomaly only means something when it has an address.

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