Use of Leased Premises Mineral Deposits. Lessee shall not extract for use off the Leased Premises, or for use on the Leased Premises other than to backfill excavated locations, any minerals from the Leased Premises, including sand, gravel, or other aggregate without first entering into a separate written contract, including a royalty schedule, which will govern such additional use of resources from the Leased Premises. Mineral extraction operations and reclamation may be included in the Construction Plan required in Section 6.2, or may be specified through a separate reclamation plan.