1An industrial city in southeastern Minnesota, home to the Mayo Clinic that was established in 1889; population 100,413 (est. 2008)
2A city in southeastern New Hampshire, northwest of Dover; population 30,654 (est. 2008)
3A city in northwestern New York, on Lake Ontario; population 206,886 (est. 2008)
We take a look at several popular, though confusing, punctuation marks.