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111 Small depression

from
ISSprOM 2019-2
111 Small depression (ISSprOM 2019-2)

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.