sentences:  In the early 19th century maritime fur traders frequented Kaigani Strait on the west side of Long Island, especially American Bay, Datzkoo Harbor, and the Kaigani Harbors on Dall Island facing Long Island, collectively known as "Kaigani", trading with the Kaigani Haida of Long Island, Dall Island, and the greater vicinity.It was home to a logging camp in the 1980s, including a three-room school house.Long Island appeared once on the 1990 U.S. Census as a census-designated place.