111 Small depression
Geometry: point.
Definition
A small shallow natural depression or hollow which cannot be represented by the symbol Contour (101) or Form line (103) is represented by a semicircle.
The symbol shall not touch or overlap other brown symbols. The symbol is orientated to north.
Parameters
Minimum depth: 0.5 m.
Minimum width: 1 m.
Footprint: 4.8 m x 2.4 m.
Colour: brown.