Upon every person engaging within this state in business as an extractor, except persons taxable as an extractor under any other provision in this chapter; as to such persons the amount of the tax with respect to such business shall be equal to the value of the products, including by-products, extracted for sale or for commercial or industrial use, multiplied by the rate of 0.484 percent.
The measure of the tax is the value of the products, including by-products, so extracted, regardless of the place of sale or the fact that deliveries may be made to points outside the state.