54-days until the National Park Service Centennial

July 2nd, 2016 brings us 54-days away from the National Park Service Centennial. In this edition of the #CentennialCountdown we go back 54-years to 1962 when Petrified Forest National Park was finally established as a National Park.

The actual legislation that I found says 1958, but the National Park Service website says that 1962 is the correct year...