<div dir="ltr">I pieced it together as best I could and came up with that, which reminds me that we need much better (UK-specific) tagging information on the Wiki.<div><br></div><div>Nothing stopping anyone rolling their own tags though. I'd have gone for man_made=leat which has some small precedent.</div><div><br></div><div>Regards,</div><div><i>Paul</i></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 14 Nov 2019 at 12:25, Dan S <<a href="mailto:danstowell%2Bosm@gmail.com">danstowell+osm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I think instead of canal=headrace you meant to write usage=headrace?<br>
That's what's in the wiki, and also 1000+ entries seen in taginfo.<br>
<br>
I've chatted many times to people about millraces, but the term<br>
"headrace" (and "tailrace") is new to me. I'll add keywords to the<br>
wiki to make searching easier.<br>
<br>
Best<br>
Dan<br>
<br>
Op do 14 nov. 2019 om 11:53 schreef Paul Berry <<a href="mailto:pmberry2007@gmail.com" target="_blank">pmberry2007@gmail.com</a>>:<br>
><br>
> Looking at the existing guidelines it would be waterway=canal and canal=headrace (canal here used in the power rather than transport context)<br>
><br>
> If this is indeed correct then it's not very obvious but it is detailed here: <a href="https://wiki.openstreetmap.org/wiki/Proposed_features/Hydropower_water_supplies#Headraces" rel="noreferrer" target="_blank">https://wiki.openstreetmap.org/wiki/Proposed_features/Hydropower_water_supplies#Headraces</a><br>
><br>
> Regards,<br>
> Paul<br>
><br>
> On Thu, 14 Nov 2019 at 11:16, Charlie Reid <<a href="mailto:Charlie@jeit.biz" target="_blank">Charlie@jeit.biz</a>> wrote:<br>
>><br>
>> Hi<br>
>><br>
>><br>
>><br>
>> Can find no guidance on the Wiki about tagging mill races. I come across these continually while surveying.<br>
>><br>
>><br>
>><br>
>> They are a totally distinctive water feature which don’t bear much relation to listed waterway types. Drain seems to be the closes value – but this really misrepresents their appearance, purpose and behaviour.<br>
>><br>
>><br>
>><br>
>> Any thoughts<br>
>><br>
>><br>
>><br>
>> Charlie Reid<br>
>><br>
>><br>
>><br>
>><br>
>><br>
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><br>
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</blockquote></div>