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In 1864, the First Legislative Assembly of the Territory
of Arizona created the four original counties of Arizona: Mohave,
Pima, Yavapai and Yuma (2 HC 1864). At that time, Mohave County
included the triangular section of land bounded by 37 degrees north latitude
and running to the California border which now forms the southern tip
of Nevada where Las Vegas is located.
William B. Hartley's
map of Arizona from the collections of the Library of Congress shows
the original boundaries of the Territory of Arizona.
December 22, 1865, the Arizona Territorial Legislative
Assembly split Mohave County in half creating a fifth county, Pah-Ute, out
of the northern half.
May 5, 1866, an act of Congress (14
Stat. 43) offered the State of Nevada land from the territories of
Utah and Arizona that bordered Nevada on the east and south. James
Warren Nye who served as Governor and then as U.S. Senator from the
State of Nevada, served on the Committee on Territories which recommended
passage of S. 155 (39th Congress, 1st Session) which took land from both
Mohave and Pah-Ute counties in the Territory of Arizona.
1867, the additional land was accepted by the Third
Session of the Nevada State Legislature.
February 18, 1871, the Arizona Territorial Legislative
Assembly repealed the Act creating Pah-Ute County and the Pah-Ute County
land that remained after the Nevada annexation was returned to Mohave County.
- Howell Code Chap. II, p. 24
- Arizona Laws 1865, p. 19
- 14 U.S. Statutes at Large 43
- Laws of Nevada 1867, p. 57
- Arizona Laws 1871, p. 87
- Angel, Myron. Reproduction of Thompson and West's History of Nevada, 1881, with illustrations and
biographical sketches of its prominent men and pioneers. Berkeley, CA: Howell-North, 1958.
The portion of the Arizona territory ceded to Nevada is on p. 102.
Arizona State Library, Archives and Public Records History and Archives Record Group 115.
Elmer, Carlos. "One of our Counties is Missing." Arizona Highways, vol. 53, no. 1 (January 1977), pp. 39-45. There is also a small map on p. 34.
"The First 100-Part I-The Early Years: O. D. Gass (1827-1924): At
the Right Place at the Right Time-Almost." Las Vegas
Nevada Secretary of State. Political
History of Nevada, 2006
see p. 110: Historical and Political Data: Additions
of Territory to Nevada after Statehood and p. 111 Map
18 showing Pah-Ute County with an outline overlay of the current State
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