Want to know where to find the highest concentrations of Muslims in the United States? How about counties that are (yowza) more than 50% Baptist? The American Ethnic Geography course at Valparaiso university has the question covered. Having come out of a background in geology, I'm always convinced that no question can be solved without looking at a map, and these maps are fascinating. Some of the answers you get from looking at the maps are expected. Yes, Utah really is populated by Mormons to an astounding degree, with most counties boasting more 50% adherents to the LDS church. But...