Kingman Reef
…Washington, D.C., by the U.S. Department of Interior. The atoll is closed to the public. For statistical purposes, Kingman Reef is grouped as part of the United States Minor Outlying Islands. In January 2009, Kingman Reef was designated a marine national monument. The pre-20th century names Danger Rock, Caldew Reef, Maria Shoal, and Crane…