1A commercial city in central Illinois; population 73,026 (est. 2008)
2A city in south central Indiana, noted for its limestone industry and home to Indiana University; population 71,819 (est. 2008)
3A city in southeastern Minnesota, south of Minneapolis. It is home to the huge Mall of America; population 81,280 (est. 2008)
We take a look at several popular, though confusing, punctuation marks.