| 11. | Calamus Creek is part of the larger Upper Rock River Basin.
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| 12. | The Rock River near Joslin, Illinois peaked at 17.11 feet, above flood stage.
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| 13. | The Rock rivers, tributaries of Lake Champlain, flow through the town.
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| 14. | His nearest neighbor was located 24 miles away in Rock River.
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| 15. | Various locations along the Rock River have been given this name.
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| 16. | Rockford, Illinois'second largest city, is physically split by the Rock River.
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| 17. | Occasionally the downtown area is flooded when the Rock River exceeds its banks.
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| 18. | Among these were the Janesville Machine Company and the Rock River Iron Works.
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| 19. | It is bounded to the south by the Rock River.
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| 20. | Much like Wildwood, this neighborhood meanders along the bluff overlooking the Rock River Valley.
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