Spirit Cave is at an elevation of 4,154 feet in the foothills of the Stillwater Mountains;[9] the Stillwater National Wildlife Refuge is now established in this area. The location is to the northeast of Fallon, Nevada.[10] Biological similarities between remains found in Spirit Cave have shown undeniable association to remains scattered across a wide geographic location such as the Wizard Beach man and Crypt Cave dog burial. In 1996 University of California, Riverside anthropologist R. Ervi Taylor examined seventeen of the Spirit Cave artifacts using mass spectrometry. The results indicated that the mummy was approximately 9,400 years old (uncalibrated RCYBP); ~11.5 Kya calibrated) — older than any previously known North American mummy.[7] Researchers estimate the death of this person to have occurred about 7420 B.C.[1] The mummy was originally thought to be between 1,500 and 2,000 years old until mass spectrometry carbon dates were carried out. from Wikipedia
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