The Game and Parks Commission is hereby authorized to create within Scotts Bluff, Banner and Morrill Counties, Nebraska, or any one or more of said counties, a state wild game preserve to be known as the State Wild Game Preserve, to be composed of a tract of land of not less than four thousand acres nor more than ten thousand acres which shall have been procured by the state within the boundaries of any one or more of said counties. Any land so selected and procured shall be chiefly rough in its topography and shall include an ample amount of natural shelter as provided by canyons and timber, water supply and native grasses such as are characteristic of the Wildcat Hills in the counties aforesaid. The Game and Parks Commission is authorized to acquire said premises, and when so procured, shall enclose such tract with a good and sufficient fence, and shall keep and maintain said fence in a good and sufficient state of repair.