Tag:surface=mud

surface = 
Description
Specifies that object has mud as a surface – all the time or at least very frequently. Show/edit corresponding data item.
Group: properties
Used on these elements
may be used on nodesmay be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
See also
Status: de facto

surface= should be used for places that are muddy all the time or at least most of the time (mud drying/freezing sometimes can also happen)

See also