 that’s included in the package and a set of points to
index. We’ll use the NHDPlus Gages layer for this example. The data in
this example is big. The R session needs a lot of memory to hold the
whole NHDPlus flowline layer and run the calculations.</p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="kw"><a href="https://rdrr.io/r/base/library.html" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href=