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At least one of the petroglyph panels from Long Lake was buried by ash from an eruption of the nearby Mount Mazama volcano roughly 6,700 years ago, proof that it was carved sometime before the eruption."We have no idea what they mean," Benson said of the Winnemucca Lake petroglyphs.The underwater dig was outlined today in the journal .This new find is important, because many archaeologists had long believed that 13,000-year-old stone spearheads and other remains found in the 1920s in Clovis, New Mexico, represented the first wave of human settlers in North America."The Page-Ladson site provides unequivocal evidence of human occupation that predates Clovis by over 1,500 years." Halligan and her colleagues are not the first to root around in the waters of the Page-Ladson Archaeological Site, which is the "oldest [underwater] site yet discovered in the new world," Halligan says."A recreational diver and a vocational archaeologist by the name of Buddy Page reported the site in the early 1980s to a team of paleontologists and divers...It took decades, and a countless number of SCUBA tanks.Now, the painstaking excavation of an underwater archaeological site in northern Florida may change our understanding of when humans first populated North America.
It's a deep sinkhole called the Page-Ladson Archaeological Site located just beyond the southeastern skirts of Tallahassee in the Aucilla River.
There are few petroglyphs in the American Southwest that are as deeply carved as these, and few that have the same sense of size." Benson obtained permission to non-invasively examine the petroglyphs from the Pyramid Lake Paiute Tribe, which owns the land.