Large boulder 207
See Also...202 206
ISOM Index Rock and boulders index
207 Large boulder
A particularly large and distinct boulder. For gigantic boulders symbol 202 should be used.
Dot diameter 0.6mm
ISOM 1990 Definition
A particularly large and distinct boulder.
Defined as line symbol 207.0. A point symbol can be drawn with any tool.
Pictorial Descriptions- BOF Rules, Appendix One
A prominent free standing block of stone greater than 0.5m high.
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Revised 28 December 1999, 23 March 2000