310 Indistinct marsh

Geometry: area.

Definition

An indistinct marsh, seasonal marsh or an area of gradual transition from marsh to firm ground, which is crossable. The edge is generally indistinct and the vegetation similar to that of the surrounding ground.
The symbol shall be combined with other symbols to show runnability and openness.
The symbol is orientated to north.

Parameters

Minimum area: 2.0 mm x 0.7 mm (footprint 30 m x 10.5 m).

Colour: blue.