Waterway 
Buffer: 12.5%, Min Zoom Level: 4
Contains classes for rivers, stream, canal, drain, and ditch as line type. From zoom level 4 to 9, the data of waterway is from Natural Earth, and the zoom levels bigger than 10, the data is from OpenStreetMap. As for the Natural Earth data, the waterway layer are filtered by different types of data and the value of scale-rank.
Columns
class
A category of waters, so that you can easily track a specific water object. The possible values can be:
| Value | Description |
|---|---|
'river' | A natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. |
'stream' | Very small waterway, usually no wider than a meter or two. |
'canal' | An artificial waterway constructed for passage of boats or ships. |
'drain' | Artificial channel for rainwater drainage, often concrete lined. |
'ditch' | Small artificial channel dug in the ground for rainwater drainage. |
name
The name of the river.
name_en
The name of the river in English.