<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, May 12, 2017 at 9:32 AM, Colin Smale <span dir="ltr"><<a href="mailto:colin.smale@xs4all.nl" target="_blank">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<br></p></div></blockquote><div><br></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.<br></div></div><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Michal FabĂk</div>
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