ass="copiable-link" href="#Description-55"> &para;</a></span></h4>

<p>This data set gives the lengths (in miles) of 141 “major” rivers in North
America, as compiled by the US Geological Survey.
</p>
<h4 class="subsubheading" id="Format-54"><span>Format<a class="copiable-link" href="#Format-54"> &para;</a></span></h4>

<dl class="table">
<dt><code class="code">rivers</code></dt>
<dd><p>A vector containing 141 observations.
</p></dd>
</dl>

<h4 class="subsubheading" id="Source-56"><span>Source<a class="c