Owyhee County's Historical Formation

Abstracted from Digital Newberry

31 Dec 1863 OWYHEE created by Idaho Territory from BOISE and Non-County Area 2; included parts of present Idaho and Wyoming. (Id. Terr. Laws 1863, loc. and spec., 1st sess., p. 624)

22 Jan 1864 OWYHEE lost to creation of ONEIDA. (Id. Terr. Laws 1863, loc. and spec., 1st sess., p. 625)

04 Feb 1864 OWYHEE redefined [no change]. (Id. Terr. Laws 1863, loc. and spec., 1st. sess., sec. 6/p. 630)

02 Jan 1871 OYWHEE lost to ONEIDA. (Id. Terr. Laws 1870, 6th sess., p. 54)

20 Feb 1879 OWYHEE lost to creation of CASSIA. (Id. Terr. Laws 1879, 10th sess., pp. 43-46)

01 Jun 1887 OWYHEE boundaries redefined [no change]. (Id. Terr. Laws 1887, comp., spec. and loc., 14th sess., p. 195)

03 Jul 1890 OWYHEE continued as an Idaho county when the state of Idaho admitted to the Union and Idaho Territory eliminated. (U.S. Stat., vol. 26, ch. 656 [1890]/pp. 215-219; Van Zandt, 156)

04 Nov 1930 OWYHEE lost to ELMORE. Act approved 21 Feb 1929, became effective through a vote in the general election of 4 November 1930. (Id. Laws 1929, 20th sess., ch. 47/pp. 59-66; Id. Code Ann. (1996), vol. 6, ch. 1, sec. 31-122 "Elmore Co."/p.32)

03 Mar 1999 OWYHEE boundaries clarified [no change]. (Id. Laws 1999, 55th leg., 1st reg. sess., ch. 35/pp. 72-73)

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