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Specific natural resources (Jna)

Environment (J)
     Related Term (Associative): ; Areas and regions (V)
    Natural resources (Jn)
         Use For: Earth resources; Resources
        Specific natural resources (Jna)
            Energy resources (Jnae)
                 Use For: Energy reserves; Fuel resources
            Mineral resources (Jnam)
            Water resources (Jnaw)
                 Use For: Water supplies
        Conservation (Jng)
        Resource development and utilization (Jnr)