USGS Pahroc Spring QUAD 7.5' (Geographic Keyword)
1-2 (2 Records)
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Fingerprints in the Great Basin: The Nellis Air Force Base Regional Obsidian Sourcing Study (2005)
To support the work involved in developing a PA, Nellis AFB determined that the area of research should be expanded for the entire north NTTR, 2 million acres, a region of intense volcanism. In 2000, the Air Force funded a large-scale scientific investigation of obsidian and its human associations on 2 million acres on the NTTR, the largest study done in terms of acreage and numbers of artifacts analyzed.