Object | Topology | Layer |
Contour lines | Arc | Topography |
Geological formations | Polygon | Geology |
Surface-water | Polygon | Surface-water bodies |
Street network | Arc | Transportation |
Hydrographic network | Arc | Hydrography |
Cities | Point | Place names |
Climatic measurement stations | Point | Rain water |
Wells, piezometers | Point | Groundwater |
Permeability of a layer | Polygon/Arc | Permeability |
Hydraulic head/piezometric head | Arc | Groundwater Level Measurement |
Isoline sampling wells | Arc/Point | Hydrochemistry |