1956 Grand Canyon mid-air collision (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1956 Grand Canyon mid-air collision" in Simple English language version.

refsWebsite

Global rank Simple English rank

135^th place

136^th place

1web.archive.org

1^st place

1^st place

1grandcanyon.org

low place

low place

low place

low place

fss.aero

"Midair collision, Accident Investigation Report, Trans World Airlines Lockheed 1049A N6902C and United Air Lines Douglas DC-7 N6324C, over the Grand Canyon, Arizona, June 30, 1956" (PDF). fss.aero. Retrieved 25 December 2016.

grandcanyon.org

Berger, Todd (Summer 2006). "The 1956 Airliner Disaster at Grand Canyon" (PDF). The Grand Canyon Association. pp. 1–2. Archived from the original (PDF) on 31 July 2012. Retrieved 25 December 2016.

nps.gov

Shedlowski, Kirby-Lynn; Oltrogge, Maureen (17 June 2014). "Grand Canyon National Park to Commemorate Designation of New National Historic Landmark 1956 Grand Canyon TWA-United Airlines Aviation Accident Site". National Park Service. Retrieved 25 December 2016.

web.archive.org

Berger, Todd (Summer 2006). "The 1956 Airliner Disaster at Grand Canyon" (PDF). The Grand Canyon Association. pp. 1–2. Archived from the original (PDF) on 31 July 2012. Retrieved 25 December 2016.