List of counties in Colorado

Columns: County | Territory or State | Created | Superseded | History
Taos County | Territory of New Mexico | 18520109 1852-01-09 | 18610228 1861-02-28 | Originally one of the seven partidos of the Spanish , and later Mexican , province of Santa Fe de Nuevo México . One of the nine original counties created by the Territory of New Mexico in 1852 . Excluded from the new Territory of Colorado in 1861 | Great Salt Lake County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , and excluded from the new Territory of Colorado in 1861 | Green River County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , but never organized . Dissolved in 1857 , but recreated in 1859 . Excluded from the new Territory of Colorado in 1861 , and the Territory of Wyoming in 1868 . Finally dissolved in 1872 | Iron County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , and excluded from the new Territory of Colorado in 1861 | Sanpete County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , and excluded from the new Territory of Colorado in 1861 | Utah County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , and excluded from the new Territory of Colorado in 1861 | Washington County | Territory of Utah | 18520303 1852-03-03 | 18610228 1861-02-28 | Created in 1852 , and excluded from the new Territory of Colorado in 1861

Example questions:
In which territory or state is the former county that was created in 1852 and organized in 1856 ? | In which territory or state is the former county that had the population of 32,937 in 2010 ? | In which territory or state is the former county that was named after a California senator ? | In which territory or state is the former county that the most populous county in its territory or state ?

Answers:
Territory of Utah | Territory of New Mexico | Territory of Kansas | Territory of Utah