西经100度线 (Chinese Wikipedia)

Danver, Steven L. Encyclopedia of Politics of the American West. SAGE Publications. 2013-05-14: 147 [2016-01-04]. ISBN 978-1-4522-7606-9. （原始内容存档于2019-06-04）（英语）.

capjournal.com

At the 100th Meridian: Where the Great Plains begin. Capital Journal. 2019-09-24 [2022-04-11]. （原始内容存档于2022-04-11）（英语）.

earthmagazine.org

Leifert, Harvey. Dividing line: The past, present and future of the 100th Meridian. EARTH Magazine. 2018-01-09 [2022-04-11]. （原始内容存档于2022-03-28）（英语）.

google.com.tw

books.google.com.tw

Hartmann, Rudi; Wang, Jing'ai; Ye, Tao. A Comparative Geography of China and the U.S.. Springer. 2014: 34 [2022-04-22]. ISBN 9789401787925. （原始内容存档于2022-04-22）（英语）.
Washington State Historical Society. The Pacific Northwest Quarterly. University of Washington. 1908: 118 （英语）.
Lamp, Jody L.; Dobson, Melody. History of Nebraska Agriculture, A: A Life Worth Living. Arcadia Publishing. 2017: 134-135 [2022-04-22]. ISBN 9781467136495. （原始内容存档于2022-04-22）（英语）.
Stegner, Wallace. Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West. Penguin. 1992 [2018-12-16]. ISBN 978-1-1010-7585-2. （原始内容存档于2019-06-09）（英语）.

hipmuseum.com

At The Hundredth Meridian references. A Museum After Dark located at hipmuseum.com. [2022-04-11]. （原始内容存档于2021-05-17）（英语）.

latitude.to

Dodge City, Kansas. latitude.to. [2022-04-11]. （原始内容存档于2022-04-11）（英语）.

movable-type.co.uk

Vincenty formula for distance between two Latitude/Longitude points. Movable type scripts. [2017-05-17]. （原始内容存档于2013-01-28）（英语）.

noaa.gov

ngs.noaa.gov

T. Vincenty. Direct and Inverse Solutions of Geodesics on the Ellipsoid with application of nested equation (PDF). 1975-04 [2018-12-16]. （原始内容存档 (PDF)于2013-01-28）（英语）.

scientificamerican.com

Hall, Shannon. A Nation Divided: Arid/Humid Climate Boundary in U.S. Creeps Eastward. Scientific American. 2018-04-27 [2022-04-22]. （原始内容存档于2022-02-15）（英语）.

web.archive.org

Danver, Steven L. Encyclopedia of Politics of the American West. SAGE Publications. 2013-05-14: 147 [2016-01-04]. ISBN 978-1-4522-7606-9. （原始内容存档于2019-06-04）（英语）.
Dodge City, Kansas. latitude.to. [2022-04-11]. （原始内容存档于2022-04-11）（英语）.
Hall, Shannon. A Nation Divided: Arid/Humid Climate Boundary in U.S. Creeps Eastward. Scientific American. 2018-04-27 [2022-04-22]. （原始内容存档于2022-02-15）（英语）.
Hartmann, Rudi; Wang, Jing'ai; Ye, Tao. A Comparative Geography of China and the U.S.. Springer. 2014: 34 [2022-04-22]. ISBN 9789401787925. （原始内容存档于2022-04-22）（英语）.
Leifert, Harvey. Dividing line: The past, present and future of the 100th Meridian. EARTH Magazine. 2018-01-09 [2022-04-11]. （原始内容存档于2022-03-28）（英语）.
Lamp, Jody L.; Dobson, Melody. History of Nebraska Agriculture, A: A Life Worth Living. Arcadia Publishing. 2017: 134-135 [2022-04-22]. ISBN 9781467136495. （原始内容存档于2022-04-22）（英语）.
Stegner, Wallace. Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West. Penguin. 1992 [2018-12-16]. ISBN 978-1-1010-7585-2. （原始内容存档于2019-06-09）（英语）.
At The Hundredth Meridian references. A Museum After Dark located at hipmuseum.com. [2022-04-11]. （原始内容存档于2021-05-17）（英语）.
At the 100th Meridian: Where the Great Plains begin. Capital Journal. 2019-09-24 [2022-04-11]. （原始内容存档于2022-04-11）（英语）.

webcitation.org

T. Vincenty. Direct and Inverse Solutions of Geodesics on the Ellipsoid with application of nested equation (PDF). 1975-04 [2018-12-16]. （原始内容存档 (PDF)于2013-01-28）（英语）.
Vincenty formula for distance between two Latitude/Longitude points. Movable type scripts. [2017-05-17]. （原始内容存档于2013-01-28）（英语）.