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Keywords from Image Description:
Fort San Marco NYPL bGF F. en Fort San Marco nypl org Scan by NYPL Fort San Marco Castillo de San Marcos Saint Augustine Fla Forts fortifications Cannons Cannon balls The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection facfcdabc GFF Robert Dennis collection of stereoscopic views deadeeaa NYPGF