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any rental or royalty from the property computed by reference to the amount or value of the production of petroleum, natural gas or related hydrocarbons or ore; (production)
any rental or royalty from the property computed by reference to the amount or value of the production of petroleum, natural gas or related hydrocarbons or ore; (production)
any rental or royalty from the property computed by reference to the amount or value of the production of petroleum, natural gas or related hydrocarbons or ore;