The holder of a prospecting lease may use the leased premises as provided in the lease and the approved plan of operations, subject to existing rights and payments as otherwise provided. Such uses shall be those reasonably necessary for the exploration of the premises.

The holder of a prospecting lease may remove valuable minerals or specified materials of a value not exceeding $100 for the purpose of testing and assaying. The removal of valuable minerals or specified materials in excess of this amount requires prior written approval of the department, and may be subject to the payment of royalties.

The holder of a mining contract may use the leased premises as provided in the contract and the approved plan of operations, subject to existing rights and payments as otherwise provided. Such uses shall be those reasonably necessary for the exploration, development, operation and production of valuable minerals or specified materials.