
McKissick Island (also known as McKissick's Island) is a former 5,000 acre island in the Missouri River that is part of Nemaha County, Nebraska, United States, but is now east of Nebraska's normal eastern border and can only be reached by land from Nebraska by first going through Iowa and Missouri.
It is sometimes described as a Nebraska enclave within Missouri, although it is not a true enclave, since it is physically attached to Nebraska through the river.A dispute over whether Missouri or Nebraska had jurisdiction was determined in a 1904 United States Supreme Court decision that was not formally...