<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 12pt;
font-family:Calibri
}
--></style></head>
<body class='hmmessage'><div dir='ltr'><div>> Which is why mapping this is not really within the scope of OSM - <br>> natural underground waterflows are inherently non-verifiable. <br><br>Well, maybe I should let that down, then, or put the data in the description field; this way, I won't mess with the OSM data, but they'll be there if someone is interested.<br><br>> You can and should map the surface phenomena related to the underground <br>> water flow of course - ponors, dolines, karst springs and other stuff.<br><br>In fact, I'm drafting a proposal on this, which is why I asked this, to know if I could put something consistent on this matter in the proposal.<br><br>Regards.</div> </div></body>
</html>