an inappropriate kind of index.
This is because where flowlines run through a waterbody. they are
“artificial paths” and do not represent the waterbody. The
<code><a href="../reference/get_waterbody_index.html">get_waterbody_index()</a></code> function is intended to address
points that are in or near the shore of a waterbody.</p>
<p>This next block of code loads the NHDPlus Waterbody layer and creates
an interactive map. Of interest on gages that are near the short of
bodies of water but far away from 