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| | Crook County, Oregon - Wikipedia, the free encyclopedia |
 | | The oldest geological formation in Oregon is in the southeastern corner of Crook County, near its boundary with Grant County. |
 | | In the county, the population was spread out with 26.60% under the age of 18, 7.50% from 18 to 24, 25.50% from 25 to 44, 25.70% from 45 to 64, and 14.70% who were 65 years of age or older. |
 | | Crook County was formed from the southern part of Wasco County on October 24, 1882, and established Prineville as the county seat. |
| en.wikipedia.org /wiki/Crook_County,_Oregon (683 words) |
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