Arizona's bicentennial meteor crater

While we're slouching toward the next month's semiquincentennial — 45.5% of respondents to an LNP | LancasterOnline poll said they were "indifferent" to America's 250th birthday as it undergoes what is arguably a slow civil war — the celebrations of the United States' bicentennial were much more robust in 1976. 

For example, Arizona's famous Meteor Crater had its own bicentennial-branded postcard 50 years ago. 

Published by Petley Studios¹ of Phoenix, printed by Dexter Press and with a photograph courtesy of American Airlines, the back of the postcard has a somewhat amusing caption:

"The world's best-preserved impact-collision crater pocks the earth about six miles south of U.S. No. 66 between Flagstaff and Winslow, Arizona. Energies released to form this crater (sixty stories deep and 4,150 feet in diameter) were greater than our nuclear blasts. Diamonds were formed instantly, limestone was popped like popcorn, and iron meteorite was vaporized."

Footnote

1. Anne L'Ecuyer's blog The Posted Past ("We trade loneliness for connection, one postcard at a time") has an excellent, detailed post about the history of Petley Studios. It begins: "Bob Petley launched Petley Studios in 1945 with twelve comic postcards. Then, he spent the next four decades photographing the mid-century Southwest from behind a windshield."

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