an>
<span><span class="co">#  [1] 0</span></span>
<span><span class="co">#  attr(,"crs")</span></span>
<span><span class="co">#  $input</span></span>
<span><span class="co">#  [1] NA</span></span>
<span><span class="co">#  </span></span>
<span><span class="co">#  $wkt</span></span>
<span><span class="co">#  [1] NA</span></span>
<span><span class="co">#  </span></span>
<span><span class="co">#  attr(,"class")</span></span>
<span><span class="co">#  [1] "crs"</span></span>
<span><span class="co">#  attr(,"cla