OFFICIAL 1814 MAP
Bldg. 1  FLAG POLE  
Bldg. 2  GUARD HOUSE - 18' x 20'
Bldg. 3  COMM. OFFICERS QUARTERS - 18'x48'
Bldg. 4  POWDER MAGAZINE - 20' x 31'
Bldg. 5  OFFICER'S QUARTERS - 18' x 61'
Bldg. 6  SOLDIER'S BARRACKS No.1 - 22' x 91'
Bldg. 7  CISTERN - 17' x 30'   
Bldg. 8  SOLDIER'S BARRACKS No.2 - 22' x 98'
Bldg. 9  SALLY PORT
.......Not.all.buildings.have.descriptive.links..............
Above is how Fort McHenry appeared in 1812.

Different versions of the CHAIN BARRIER include Chains on floating blocks of word or Chains on masts of sunken ships.
HISTORY          DISCRIPTION          WIKIPEDIA              The Star Spangled Banner at Fort McHenry
 


....

....