美国国家公园列表
参考资料

↑  . National Park Service. 2008-02-26  [2012-01-22]. （原始内容存档于2012-01-22）.
↑   (PDF). National Park Service.   [2015-07-22]. （原始内容 (PDF)存档于2015-07-22）.
↑  . National Park Service.   [2015-07-22]. （原始内容存档于2015-07-05）.
1 2 3   (PDF). Washington, D.C.: National Park Service.   [2011-06-05]. ISBN 978-0-912627-75-5. （原始内容 (PDF)存档于2011-06-05）.
↑   (PDF). National Park Service.   [2015-07-22]. （原始内容存档 (PDF)于2015-06-19）.
1 2  . NPS Stats.   [2015-07-20]. （原始内容存档于2015-07-13）.
↑  . UNESCO World Heritage Centre.   [2015-07-19]. （原始内容存档于2015-03-03）.
↑   (PDF). National Park Service. 2005-06-27  [2012-04-20]. （原始内容 (PDF)存档于2012-04-20）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-20）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-20）.
↑  . National Park Service.   [2009-12-08]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-04）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-04）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-02）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-12）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-02）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-29）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-17）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-25）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-03）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-13）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-23）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-04）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-23）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-16）.
↑  . National Park Service.   [2015-07-20]. （原始内容存档于2015-07-11）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-06）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-13）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-16）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-14）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-13）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-13）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-13）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-04）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-10）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-25）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-25）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-28）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-07）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-27）.
↑  . National Park Service.   [December 27, 2020]. （原始内容存档于2010-10-13）.
↑  Averill, Graham. . Outside Online. 2020-12-22  [2020-12-28]. （原始内容存档于2021-04-10） （英语）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-29）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-06）.
↑  . National Park Service. 2009-01-09  [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-02）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-10）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-30）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-20）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-07-04）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
1 2  . www.congress.gov.   [December 21, 2019]. （原始内容存档于2021-05-06）. Subtitle E--White Sands National Park and White Sands Missile Range, SEC. 2851...approximately 2,826 acres of land identified as "To NPS, lands inside current boundary" [plus] approximately 5,766 acres of land identified as "To NPS, new additions" [minus] approximately 3,737 acres of land identified as "To DOA".
↑  . U.S. National Park Service. 2017-03-20  [2019-12-29]. （原始内容存档于2019-12-27）.
↑  . National Park Service. December 26, 2019  [December 27, 2019]. （原始内容存档于2017-01-28）.
↑  . National Park Service.   [2015-07-21]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-22]. （原始内容存档于2015-06-19）.
↑  . National Park Service.   [2015-07-22]. （原始内容存档于2015-07-07）.
↑  . National Park Service.   [2015-07-22]. （原始内容存档于2015-07-20）.
↑  . National Park Service.   [2015-07-22]. （原始内容存档于2015-07-06）.