(a) These preserves consist of areas designated under Federal and State laws or local ordinances to be managed for their aesthetic, educational, historical, recreational, or scientific value.
(b) Possible loss of values: The discharge of dredged or fill material into such areas may modify the aes thetic, educational, historical, rec re a tional and/or scientific qualities there by reducing or eliminating the uses for which such sites are set aside and managed.
Note: Possible actions to minimize adverse impacts regarding site or material characteristics can be found in subpart H.