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April 17, 2014

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The Grand Canyon experienced a rare second inversion December 1st, 2013,  as well as a freezing fog which is reflected in patterns on this Kaibab Limestone. NPS photo by Erin Whittaker

National Park Service

The Grand Canyon experienced a rare second inversion December 1st, 2013, as well as a freezing fog which is reflected in patterns on this Kaibab Limestone. NPS photo by Erin Whittaker