Risk — Hazard Area Removal and Swelling of Loir-and-Cher clays
Description
As part of the departmental mapping program for clay withdrawal-swelling conducted by the BRGM from 1997 to 2010, the baseline data used is that of geological maps drawn up and published by BRGM at a scale of 1:50,000. Their analysis made it possible to identify the clay formations (in the broad sense), outcropping or sub-outcropping, and to establish a numerical map, homogeneous at the departmental level.
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