Pierre GARNIER

This is very interesting Neil, thank you very much. As I understand this, I think the AGS model would also work, but the designation of different models (geological, geotechnical, hydrogeological)...

Neil, I have just one comment: I believe GeotechnicalUnit could differ from Book B to Book C. Book B would be the global interpretation of geotechnical conditions (representative values), but...

Personnaly, I like the "Unit" term. I think it reflects at some point a geological or geotechnical interpretation, where "stratum" of "formation" may be understood as "closed" objects (commonly associated...