That the county of Thomas be bounded as follows, to wit: Commencing at a point where the east boundary line of range No. thirty-one west crosses the first standard parallel south, thence west on said standard parallel, to a point where the east boundary line of range No. thirty-seven west crosses said standard parallel; thence south on said range line, to a point where said range line crosses the second standard parallel south; thence east on said standard parallel, to a point where the east boundary line of range No. thirty-one west crosses said standard parallel; thence north on said range line, to place of beginning.