Inscription on "Figure 8-8." Inscription by Bowers on verso: "Lockheed L-1049-[54?]-80 [illegible] / N6902C / Collide with DC-7 over Grand Canyon / June 30, 1956. Wreckage removed by TWA at request of U.S. Parks Service Sept '76. / 2nd for TWA / Del. 5-21-52."
[Lockheed Model 1049 Super Constellation aircraft in flight], [2008-03-31_image_588]. Museum of Flight Digital Collections, accessed 14/12/2025, https://digitalcollections.museumofflight.org/nodes/view/10766