Descriptive InformationArmory Wall running along Potomac River, B and O RailRoad bridges in left, background. Wall area just below RR station. Files. Original caption: Park: HFNHP. Negative No. NHF-3698. See Classification No. Subject: ARMORY WALL running along Potomac River, Band O Railroad bridges in left background. Location: Wall area just below RR Station. Purpose: Files. Photographer and Companions: Neal Randell, Park Aid. Date: Mar/Apr., 1978.