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| | Armstrong County, Pennsylvania - Wikipedia, the free encyclopedia |
 | | Armstrong County is a county located in the U.S. state of Pennsylvania. |
 | | Map of Armstrong County, Pennsylvania with Municipal Labels showing Cities and Boroughs (red), Townships (white), and Census-designated places (blue). |
 | | Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. |
| en.wikipedia.org /wiki/Armstrong_County,_Pennsylvania (454 words) |
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