Гранд Каньон (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Гранд Каньон" in Bulgarian language version.

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135^th place

567^th place

2web.archive.org

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11^th place

1navajotimes.com

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2,098^th place

8^th place

1explorethecanyon.com

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108^th place

332^nd place

1nationalparkstraveler.com

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1theactivetimes.com

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archive.org

Kenn Kaufman. Birds of North America. 2000. ISBN 0-395-96464-4. с. 320.
Ghiglieri, Michael P., Myers, Thomas M. Over the Edge: Death in Grand Canyon. Puma Press, 2001. ISBN 0-9700973-1-X.

cbsnews.com

Nik Wallenda completes tightrope walk across gorge near Grand Canyon // CBSNews, Associated Press.

citylab.com

Citylab. This Grim Map Shows How People Have Died at the Grand Canyon

explorethecanyon.com

Grand Canyon Facts & Figures | National Geographic Visitor Center

nationalparkstraveler.com

FBy the Numbers: Grand Canyon National Park

navajotimes.com

Pueblos join forces to oppose Grand Canyon Escalade Project Архив на оригинала от 2019-01-24 в Wayback Machine.. Navajo Times. 11 септември 2014; посетен на 23 януари 2019.

nps.gov

Nature – Grand Canyon National Park (U.S. National Park Service)
Plants – Grand Canyon National Park (U.S. National Park Service) // www.nps.gov. Посетен на 30 март 2022.
NPS – Page In-Progress // www.nps.gov. Посетен на 30 март 2022.
Grand Canyon river trips

sci-lib.com

bse.sci-lib.com

((ru)) «Большая Советская Энциклопедия» – Большой Каньон, т. 3, стр. 543

theactivetimes.com

The Active Times. How Many People Die in the Grand Canyon and is it Becoming Too Dangerous?

web.archive.org

Pueblos join forces to oppose Grand Canyon Escalade Project Архив на оригинала от 2019-01-24 в Wayback Machine.. Navajo Times. 11 септември 2014; посетен на 23 януари 2019.
Project MOHAVE (Measurement of Haze and Visual Effects) Final Report