<p><a href="http://blogs.esri.com/Support/photos/mc_oct07/picture327.aspx" target="_blank"><img src="http://blogs.esri.com/Support/photos/mc_oct07/images/327/secondarythumb.aspx" align="left" border="0" hspace="5"></a>If you want to remove selected features from display with standard ArcMap symbol management tools, you need to use the Layer Properties to do so.  Typically this might mean using a Definition Query based on a feature attribute value, or a classification scheme which excludes a range of attribute values.  Cartographic representations provide you with a method for removing features from display, this method is based on graphic selection.</p>

<p>You could use this functionality in the case where you want to create a map for a time or scenario that is not reflected in your current data.  For example, the Crater Lake National Park data which we use in Mapping Center is recently captured National Park Service data.  If I want to re-create a Crater Lake National Park map from the 1950s