List of national parks of the United States (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "List of national parks of the United States" in Simple English language version.

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Global rank Simple English rank

135^th place

136^th place

1^st place

446^th place

291^st place

730^th place

528^th place

archives.gov

"President Donald J. Trump Signs S. 1438 into Law". whitehouse.gov. February 22, 2018. Archived from the original on January 20, 2021. Retrieved November 19, 2018 – via National Archives.

"H.R.2500 - 116th Congress (2019-2020): National Defense Authorization Act for Fiscal Year 2020". www.congress.gov. Retrieved December 21, 2019. 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".

"National Park System (U.S. National Park Service)".
The National Parks: Index 2012–2016 (PDF). Washington, D.C.: National Park Service. Archived (PDF) from the original on November 13, 2018. Retrieved November 19, 2018.
"National Park Service, Land Resources Division, Summary of Acreage" (PDF). nps.gov. National Park Service. December 31, 2020. Retrieved January 11, 2021. The areas used here are the Gross Area Acres which are in the final column of the report. The figure for Everglades National Park includes the figure for "Everglades Expansion". National preserves of associated national parks are not included in the acreage figures shown here.

"Annual Park Ranking Report for Recreation Visitors in: 2017". irma.nps.gov. National Park Service. Retrieved March 11, 2019.

The National Parks: Index 2012–2016 (PDF). Washington, D.C.: National Park Service. Archived (PDF) from the original on November 13, 2018. Retrieved November 19, 2018.
"National Park System Areas Listed in Chronological Order of Date Authorized under DOI" (PDF). National Park Service. June 27, 2005. Archived from the original on March 11, 2012. Retrieved January 18, 2010.
"President Donald J. Trump Signs S. 1438 into Law". whitehouse.gov. February 22, 2018. Archived from the original on January 20, 2021. Retrieved November 19, 2018 – via National Archives.