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310 Indistinct marsh

ISSprOM 2019-2
310 Indistinct marsh (ISSprOM 2019-2)

Geometry: area.

An indistinct or seasonal marsh or 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 vegetation symbols to show runnability and openness. At least three blue lines shall be clearly visible. The symbol is orientated to north.


Colour: blue.


The definition of this map symbol was updated on 15.02.2022: Correction of the graphic of the symbol.