Drilling of a borehole in Issoudun so as to be able to constantly measure the level of the Berry water table.
15 June 2015

The main stages of the drilling operation – using the "Down-the-hole hammer" method.

Example of a borehole in Issoudun, the objective being to monitor level of the Berry water table (Upper Jurassic limestone).

In 2014, the structure was fitted with equipment to constantly measure the water table level. Film produced for the SIGES Centre (Indre, 2014).

© BRGM

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