[27 June 2013]. (原始内容存档于2016-03-05). Ministry of Natural Resources-Salt Caverns. Ministry of Natural Resources. 5 June 2009 [12 April 2012]. (原始内容存档于2013-07-07)
World Heritage Centre. [2023-01-23]. (原始内容存档于2022-12-17) (英语). Carlsbad Caverns National Park. UNESCO World Heritage Centre. [2023-01-23]. (原始内容存档于2022-11-27)