[Tagging] surface=pebbles -> surface=pebblestone ?

[Martin Koppenhoefer]

2015-05-12 11:47 GMT+02:00 Martin Koppenhoefer <dieterdreist at gmail.com>:

> FWIW, pebbles seem to be a subset of gravel (grain size):
>
> granular gravel (2 to 4 mm)
> pebble gravel (4 to 64 mm)
>


to complete this for our purposes:
below granular gravel there is sand, above pebble there are cobbles (64 -
254mm diameter).

Cheers,
Martin
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