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| | Pennsylvania - Wikipedia, the free encyclopedia |
 | | Pennsylvania, however is not only geographically the keystone state, but economically as well, having both the industry common to the North, making such wares as Conestoga wagons and rifles, and the agriculture common to the South, producing feed, fiber, food, and tobacco. |
 | | Pennsylvania's nickname, the Keystone State, is quite apt, because the state forms a geographic bridge both between the Northeastern states and the Southern states, and between the Atlantic seaboard and the Midwest. |
 | | Pennsylvania is bisected diagonally by ridges of the Appalachian Mountains from southwest to northeast. |
| en.wikipedia.org /wiki/Pennsylvania (6205 words) |
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