http://www.csmonitor.com/2002/1010/csmimg/amreligions.pdf I guess they didn't have Presbyterians or other denominations in the counting.
http://www.csmonitor.com/2002/1010/csmimg/amreligions.pdf I guess they didn't have Presbyterians or other denominations in the counting.
I can't find my exact search in my history! Sorry! This has some other maps you may find useful : http://www.adherents.com/rel_USA.html
Presbyterians and other minor denominations are small and irrelevant groups that do not have a majority or plurality in any county. That's why you don't see them on the map.