imported document on the site 2010-10-03 and amended for the last time 2010-10-03

The name of each geological layer is engraved on the steps of a staircase of exposure. Beside the name is the depth at which there is the geological layer.

- Topsoil
- Clay sandy red
- White Sand quartz
- Sand yellow quartz
- Gravel quartz

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(pseudo is optionnal)