The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory, including St. Vrain County.
The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory, including Jefferson County.
The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory including El Paso County.
The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory, including a new Arrappahoe County.
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