City of Frederick, Frederick, MD No description specified. 1-3 (3 Records) Documents Phase II Archaeological Evaluation of Site 18FR74 at the Fort Detrick Water Treatment Plant, City of Frederick, Frederick County, Maryland (2005) Phase III Data Recovery at the Birely Tannery (18FR575), City of Frederick, Maryland (1991) Projects Phase II Investigations, Site 18FR74, Ft. Detrick Water Treatment Plant, Fort Detrick (2005.023)