2015-05-10 14:19 GMT+02:00 Volker Schmidt <vosc...@gmail.com>: > *pebbles* is similar to gravel, only that loose pebbles are used in place > of the gravel. The pebbles are bigger than the gravel pieces, and rounded.
reading several sources it appears to me that gravel is rounded too, the wiki seems wrong here: http://wiki.openstreetmap.org/wiki/Key:surface wrong picture and wrong description, wrong size specification... FWIW, pebbles seem to be a subset of gravel (grain size): granular gravel (2 to 4 mm) pebble gravel (4 to 64 mm) cheers, Martin
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