Winnemucca Lake

This May 2012 photo provided by the Nevada State Museum shows ancient carvings on limestone boulders near Nevada's Pyramid Lake which have been confirmed to be the oldest recorded petroglyphs in North America - at least 10,500 years old. (AP Photo/Nevada State Museum, Eugene Hattori)

Nevada petroglyphs the oldest in North America

PYRAMID LAKE, Nev. (AP) — Ancient rock etchings along a dried-up lake bed in Nevada have been confirmed to be the oldest recorded petroglyphs in North America, dating back at least 10,000 years. The petroglyphs […]

08/14/2013

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