Statistics for occurrence #1 of “Nebraska River” in alphabetic letter P, entry group 2, entry pawnee-indians of Harper's Encyclopedia of United States History:

... on a hunt regularly to the plains for buffalo. At the beginning of the nineteenth century they numbered about 6,000, with 2,000 warriors. In 1833 they were seated upon a reservation north of the Nebraska River , and made rapid progress towards civilization, when the fierce Sioux swept down upon them, ravaged their country, and killed many of their people. Driven south of the Nebraska, they lost nearly hal...
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