USGS Multimedia Gallery
Title: USGS Scientist at Work
Description: A USGS scientist operates an X-ray diffraction machine at the National Center in Reston, VA.
Location: Reston, VA, USA
Photographer: Butch Kinerney , U.S. Geological Survey
Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.
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