Tag Archives: summer solstice

Summer Solstice and Petroglyphs Petrified Forest National Park

Posted on June 21, 2008 by joanie7

  There are many solstice markers in Petrified Forest National Park that scientists from all over the world gather at on the first day of summer to study and document.  One is located at Puerco Pueblo, site of the prehistoric … Continue reading →

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