Subject: Re: Four Color Maps<br/>
Date: Dec 06, 2003 @ 00:48<br/>
Author: adamnvillani (&quot;adamnvillani&quot; &lt;avillani@...&gt;)<br/>
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<div id="ygrps-yiv-2051451518">--- In <a rel="nofollow" target="_blank" href="mailto:BoundaryPoint@yahoogroups.com">BoundaryPoint@yahoogroups.com</a>, &quot;Eric Choate&quot; &lt;choatune@y...&gt; <br/>
wrote:<br/>
<blockquote><span title="ireply"> &gt; What about US states with counties?  Or I&#39;m sure with all the <br/>
&gt; gerrymandering in state legislatures, a congressional district map <br/>
&gt; somewhere needs a fifth color.  Anyone know of one?<br/>
<br/>
 </span></blockquote>Probably not, actually. The gerrymandering takes such bizarre forms <br/>
because the districts have to all be continuous. So if a district <br/>
wants to include two towns on opposite ends of the state, there has <br/>
to be a continuous corridor of that district between the two towns. <br/>
And any districts inbetween can&#39;t cross the corridor; to be on both <br/>
sides of the corridor, they&#39;d have to reach around one or both of the <br/>
two towns in question. So topologically, there are no exclaves of <br/>
congressional districts, and water counts as territory. The only <br/>
exception would be something where the state itself has an exclave, <br/>
but the only true exclave in the US is in the western corner of <br/>
Kentucky.<br/>
<br/>
Adam</div>