- The extralegal Jefferson Territory, or Territory of Jefferson (1859−1861) — located in the Western United States.
- Much of the land was subsequently within the Colorado Territory, and now the present day state of Colorado.
Subcategories
This category has only the following subcategory.
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Pages in category "Jefferson Territory"
The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes.