Item 15274 - Portland Light Infantry, Long Island, 1909 Item 15274 - Portland Light Infantry, Long Island, 1909 Contributed by Maine Historical Society Item 15274 Zoom 4405px x 3318px - 14.7"w x 11.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The Portland Light Infantry on Long Island in Casco Bay, June 5, 1909. It was the 106th anniversary of the Light Infantry. Show Details