Middle Lehigh Tributaries Supporting Documents Middle Lehigh Tributaries Carbon County Kittatinny Ridge Return on Environment Report 2018 CCWEV Ltr Middle Lehigh and Beaver Creek Upgrade (2021-02-12) Middle Lehigh Carbon County Draft Streams Eval Report 2020 DRN Ltr Middle Lehigh, Beaver Creek DEP Draft Report (2020-12-14)