[Tagging] Irrigation: usage=irrigation vs irrigation=yes [Was Irrigation: ditches, canals and drains]

Martin Koppenhoefer dieterdreist at gmail.com
Tue Jun 4 17:18:14 UTC 2019

sent from a phone

> On 4. Jun 2019, at 17:09, Peter Elderson <pelderson at gmail.com> wrote:
> There is no main usage, except keeping water levels in all parts of the polders within very narrow range

this seems to be a very distinct usage, albeit not only irrigation or drainage but both. Maybe usage=regulation or gauge_regulation? or usage=polder / polder_management? 

Cheers, Martin 

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