oj4string</span>
<span id="cb35-4"><a></a><span class="co">#&gt; [1] "+proj=longlat +datum=WGS84 +no_defs"</span></span>
<span id="cb35-5"><a></a><span class="fu">st_crs</span>(conus)<span class="sc">$</span>datum</span>
<span id="cb35-6"><a></a><span class="co">#&gt; [1] "WGS84"</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<ul>
<li><code>proj4string</code> is a <em>character string</em> that describes the projection and the da