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Photos of the subsidence, 2 July 2011
Saturday, 2 July 2011
Beneath the rim, the subsidence had a volume of about one cubic meter. |
Securing the subsidence |
Survey of the subsidence and its surroundings |
The subsidence was filled with sand. |
Depth sounding measures
Light dynamic probing |
Heavy dynamic probing |
Mobile unit for cone penetration test |
During the cone penetration test |
Ground exploration with the magnetometer |
The magnetometer before use |
