16 U.S. Code § 221e - Additional lands
The following described area is added to and made a part of the Grand Canyon National Park: Beginning at the corner common to sections 14, 15, 22, and 23, township 30 north, range 4 east, Gila and Salt River meridian; thence west along the section line between sections 15 and 22 a distance of nine hundred and fifty feet; thence south a distance of one thousand three hundred and twenty feet to a point on the south line of the north tier of forties of said section 22; thence east a distance of one thousand six hundred and ten feet; thence north a distance of one thousand three hundred and twenty feet to a point on the line between sections 14 and 23; thence west along said section line a distance of six hundred and sixty feet to the place of beginning, containing an area of forty-eight and seventy-nine hundredths acres, more or less: Provided, That livestock permitted to graze in adjoining national forest areas shall be allowed to drift across the land described herein to private land north thereof within the park.
Source(Mar. 7, 1928, ch. 137, § 1,45 Stat. 234.)