Old Chain of Rocks Bridge Old Chain of Rocks Bridge http://www.rollanet.org/~conorw/cwome/article4.htm http://www.rollanet.org/~conorw/cwome/article4.htm A second source The Old Chain of Rocks Bridge US66 Chain of Rocks Bridge http://www.rollanet.org/~conorw/cwome/article4.htm University of Missouri-Rolla Old Chain of Rocks Bridge Old Chain of Rocks Bridge