Key:ref:gwlnr
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| Description |
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A uniform reference number for a river in Switzerland. 
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| Group: references |
| Used on these elements |
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| Useful combination |
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| Status: in use |
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=* is used to provide the rivers with the uniform numbering within Switzerland. The key is appended to waterway=* or added to the river-relation.
As described on the German Wikipedia, the reference numbers have the form "AG0034220003" with a two letter code for a Swiss canton followed by a number.
