# waterway Rivers based of OpenStreetMap [waterways](http://wiki.openstreetmap.org/wiki/Waterways) for *z8* to *z14* and Natural Earth rivers and lake centerlines from *z3* to *z7*. Too short linestrings are filtered out for some zoom levels. Waterways do no not have a `subclass`. ## Fields - **class**: The original value of the [`waterway`](http://wiki.openstreetmap.org/wiki/Key:waterway) tag. Can be one of [`stream`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dstream), [`river`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver), [`canal`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dcanal), [`drain`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Ddrain), [`ditch`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dditch)`. ## Mapping ![](mapping.png)