Main structure: Archaeology, deposits

This file has data on various types of deposits:
- Sea deposits, mainly clay-like soils;
- Dunes and beach sands, elongated patterns on the coast;
- Trench deposits or electric belts are the remains of former rivers and channels.
- Inland lakes
- River dunes or dunes, sandy surface or subsurface appearances.
- Comb deposits, clay-like soils.

A distinction has been made between five depth classes:
- Ground level (class 0);
- Within 3 m -mv (class 1);
- Within 2-5 m -mv (class 2);
- From 5 m -mv (class 3);
- Pleistocene and deeper relevant layers (Class 4)