Backyards Potomac Street, March 1971Harpers Ferry National Historical ParkBACKYARDS ON POTOMAC STREET- Views shows the rear and sides of bldgs. 7, 15, 3, and , small corner of 8. Brick sidewalk along Potomac St. in foreground. Original caption: NHF-3319 Backyards Potomac St. Number: NHF-3319. Subject or Title: Backyards - Potomac St. Negative on File: A.V. files Yes __ No. Location of Pix: Comments: Taken in March 1971 by T. Gray. Dept. of the Interior National Park Service. Photo: Thomas C. Gray.