'African Crescent' moored at P   Creator:   William H. Leighton Publication Date:   1963 Type:   Photograph Format:   8" x 10" Subject Keyword:   Oswego Harbor 8: Communication Artifact -- Documentary Artifact Genre:   Print, Photographic 'African Crescent' moored at P	Fort Ontario   Creator:   William H. Leighton Type:   Photograph Format:   7 1/2" x 4" Subject Keyword:   Fort Ontario forts Lake Ontario military installation Genre:   Print Fort Ontario