This is a <a href="https://en.wikipedia.org/wiki/USGS" class="extiw" title="en:USGS">en:USGS</a> <a href="https://en.wikipedia.org/wiki/topographic_map" class="extiw" title="en:topographic map">en:topographic map</a>: <a rel="nofollow" class="external autonumber" href="http://www.terraserver-usa.com/image.aspx?T=2&amp;S=12&amp;Z=18&amp;X=694&amp;Y=5556&amp;W=3">[1]</a>
<h2><span class="mw-headline" id="Summary">Summary</span></h2>
Interchange 21 for many years was the eastern terminus of I-195
US gov
US gov