[4] The John D. Dingell, Jr. Conservation, Management, and Recreation Act, signed March 12, 2019, redesignated it as Honouliui National Historic Site.

[16] The isolated location in a deep gulch led Japanese American internees to nickname it jigoku dani (地獄谷, "hell valley").

[17] Of the seventeen sites that were associated with the history of internment in Hawaiʻi during World War II, the camp was the only one built specifically for prolonged detention.

[15] The first Korean prisoners were believed to have arrived in late 1943 or early 1944; they comprised non-combatant laborers captured during the Gilbert and Marshall Islands campaign.

A Korean-language newsletter, the Free Press for Liberated Korea (자유한인보), was written and mimeographed by three Korean soldiers of the Japanese Imperial Army interned in the camp; it continued publication until December 1945.

[3] On July 6, 2012, the state created an advisory group to develop and present recommendations for an educational resource center to lawmakers in the next legislative session.

In attendance were the United States Secretary of the Interior Sally Jewell, the Governor of Hawaiʻi David Ige, the Mayor of Honolulu Kirk Caldwell, and Senators Mazie Hirono and Brian Schatz.

[29] The John D. Dingell, Jr. Conservation, Management, and Recreation Act, signed into law March 12, 2019, redesignated it as a national historic site.