Okla. Stat. tit. 68, § 68-1018: Tax on uranium

The purpose of the following sections of this article is to

broaden the tax provided for in the preceding sections, so as to

subject to gross production tax the interest of all persons in ore

bearing uranium as the term uranium is hereinafter defined. In the

event the ore bears any other metal, mineral, substance or matter

subjected to the aforesaid gross production tax, the tax levied by

Section 1019 shall be in addition to said tax. Provided, however,

that any mineral, substance or matter subjected to the tax levied by

the preceding sections of this article shall not be subjected to the

tax levied by Section 1019.