![](http://www.alamy.com/thumbs/6/800C52E6-0DB7-4862-BBBA-94EA1DAAE1A0/TWFGXH.jpg)
PLOT MAP OF THE NAVAL ASYLUM. NOTE ABSENCE OF LATER BUILDINGS. SURVEYED 1836 BY RANDAL H. RICKEY - U. S. Naval Asylum, Biddle Hall, Gray's Ferry Avenue, Philadelphia, Philadelphia County, PA
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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No
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