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The pXRF scanning gun on a field trip to San Cristobal Pueblo
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Office of Archaeological Studies volunteer staff members (from left) Marvin Rowe, Gary Hein, and Chuck Hannaford observe the pXRF scans
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Bob Florek deliberates with other Office of Archaeological Studies volunteer staff members about the best way to take pXRF readings
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Office of Archaeological Studies staff member, Scott Jaquith, takes a pXRF reading from pictographs in an alcove at San Cristobal Pueblo
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Office of Archaeological Studies volunteer staff member, Gary Hein, observes pictographs in an alcove at San Cristobal Pueblo
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Bob Florek and Tannis Eberts scanning and collecting data from the San Cristobal Pueblo rock art
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Chemist and Office of Archaeological Studies volunteer staff member, Marvin Rowe, taking a quick break on the San Cristobal Pueblo field trip
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Tannis Eberts taking notes and collecting data from the pXRF scans at San Cristobal Pueblo
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Tannis Eberts collecting data from the pXRF scans at San Cristobal Pueblo
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Appreciating the most detailed and well-crafted petroglyph panel at San Cristobal Pueblo
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Bob Florek making pXRF scans of pictographs at San Cristobal Pueblo
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Bob Florek reading the display on the pXRF scanner gun
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Tannis Eberts recording pXRF data at San Cristobal Pueblo
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Bob Florek making pXRF scans of pictographs at San Cristobal Pueblo
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Observing rock art at San Cristobal Pueblo in the Galisteo Basin
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One of many distinctive pictographs at San Cristobal Pueblo