Descriptive InformationBACKYARDS ON POTOMAC STREET- Rear of Bldgs. 10, 11, 11A, and 12. Original caption: NHF-3320 Backyards Potomac St. Number: NHF-3320. 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. Bldgs. 10, 11A, 12. Dept. of the Interior National Park Service. Photo: Thomas C. Gray.