Nebraska.—Territory of Nebraska 1854. State Of Nebraska 1867. (French Cession.)
Colorado.—Territory of Colorado 1861. State of Colorado 1876. (French and Mexican Cessions.)
North Dakota.—Territory of Michigan 1834. Territory of Wisconsin 1836. Territory of Iowa 1838. Territory of Minnesota 1849. Territory of Dakota 1861. State of North Dakota 1889. (French Cession.)
South Dakota.—Same as North Dakota.
Montana.—Territory of Nebraska 1854. Territory of Dakota 1861. Territory of Idaho 1863. Territory of Montana 1864. State of Montana 1889. (French Cession.)
Washington.—Territory of Oregon 1848. Territory of Washington 1853. State of Washington 1889.
Idaho.—Territory of Oregon 1848. Territory of Washington 1853. Territory of Idaho 1863. State of Idaho 1890.
Wyoming.—After several transfers Territory of Wyoming 1868. State of Wyoming 1890. (French Cession mainly.)
Utah.—Ceded by Mexico 1848. Territory of Utah 1850.