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214 Bare rock

from
ISMTBOM 2022
214 Bare rock (ISMTBOM 2022)

Geometry: area.

Definition

An area of rock without earth or vegetation should be shown as bare rock. An area of rock covered with grass, moss or other low vegetation, shall not be shown using the bare rock symbol.
An area of less rideable bare rock should be shown using a Stony
ground
symbol (210).

Parameters

Minimum width: 0.3 mm (footprint 4.5 m).

Minimum area: 4 mm².

Colour: black 35%.

Comments

Optional symbol.

The definition of this map symbol was updated on 01.02.2023: Change of colour: Black 30% –> 35%.