<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head><body style='font-size: 10pt; font-family: Verdana,Geneva,sans-serif'>
<p>Then I would suggest "length" is what you mean here, as it has no direct relation with the distance from the surface.</p>
<div> </div>
<p><br /></p>
<p>On 2017-05-12 09:54, Michal Fabík wrote:</p>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div dir="ltr">
<div class="gmail_extra">
<div class="gmail_quote">On Fri, May 12, 2017 at 9:32 AM, Colin Smale <span><<a href="mailto:colin.smale@xs4all.nl">colin.smale@xs4all.nl</a>></span> wrote:
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">
<div style="font-size: 10pt; font-family: Verdana,Geneva,sans-serif;">
<p>B) the distance one would have to travel to reach the end of the adit</p>
</div>
</blockquote>
<div> </div>
<div>This. Any straight-line distance can be determined reasonably easily from a map, using its scale and a piece of string. A length of a twisty path, not so much. Granted, adits aren't usually _that_ twisty, but entering a mine is always a potentially hazardous undertaking and it's important to have as much useful information at hand as possible.</div>
</div>
<br />-- <br />
<div class="gmail_signature">Michal Fabík</div>
</div>
</div>
<br />
<div class="pre" style="margin: 0; padding: 0; font-family: monospace">_______________________________________________<br /> Tagging mailing list<br /> <a href="mailto:Tagging@openstreetmap.org">Tagging@openstreetmap.org</a><br /> <a href="https://lists.openstreetmap.org/listinfo/tagging">https://lists.openstreetmap.org/listinfo/tagging</a></div>
</blockquote>
</body></html>