![](http://www.alamy.com/thumbs/6/E978CDA7-8C7B-4D13-ADEE-2D29BE4DED13/TWJ6W9.jpg)
Service building no. 620. Details of ramps in south end of service building (Dry Dock Associates, November 7, 1941). In files of Cushman and Wakefiled, building no. 501, Philadelphia Naval Business Center. - Naval Base Philadelphia-Philadelphia Naval Shipyard, Service Building, Dry Docks No. 4 and 5, League Island, Philadelphia, Philadelphia County, PA
Size: 5592px × 4469px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: