Molybdenum
Regulation 39-29-104. 
In addition to all other taxes, there is levied a tax upon the severance of all molybdenum ore from the earth within this state. The tax is levied against every person engaged in severance of molybdenum ore. 
The tax is imposed at a rate of five cents per ton of molybdenum ore. Such tax on molybdenum ore is subject to an exemption of the first 625,000 tons per calendar quarter, which need not be prorated for taxable periods of less than a calendar quarter. This exemption is allowed for each person.