here’s a graph of the votes for buchanan vs bush in florida’s county elections:
http://madison.hss.cmu.edu/buchanan-bush.gif
all the counties but one are in blue near the bottom. there is one county that is totally out of line with the others. this illustrates the unusual buchanan vote in palm beach county.
here is an article that includes the graph written by two professors:
there are other graphs on that page, including one that addresses the buchanan vote in the 1996 primary.