Commingling of Ore. Lessee may commingle ore from the Leased Premises with ore from other properties, either before or after concentration or beneficiation, so long as the data necessary to determine the weight and grade, both of the ore removed from the Leased Premises and the ore with which it is commingled, are obtained by Lessee. All such weight, grade and allocation calculations by Lessee shall be done in a manner recognized by the mining industry as practical and sufficient at that time.
Appears in 5 contracts
Samples: Mining Lease (Apd Antiquities, Inc.), Mining Lease (Apd Antiquities, Inc.), Lease Patented And (Apd Antiquities, Inc.)
