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210 Stony ground

ISSprOM 2019-2
210 Stony ground (ISSprOM 2019-2)

Geometry: area.


An area of stony or rocky ground which reduces runnability.
The dots shall be randomly distributed with density according to the amount of rock but not interfere with the representation of important terrain features or objects. A minimum of three dots shall be used. To avoid confusion with symbol Distinct vegetation boundary (416), the dots shall not be arranged to form a line.


Density: Minimum 3 dots.

Colour: black.


Incorrect examples