A Calibration Pad facility for Gamma-ray Spectrometers at the U.S. Geological Survey in Reston, Virginia


Joseph S. Duval1 and Stephen L. Snyder1


 1U.S. Geological Survey, MS 954, 12201 Sunrise Valley Drive, Reston, VA 20192

U.S. Geological Survey Open-File Report 2005-1435




Image showing calibration pads in Reston, VA.


Photograph of gamma-ray calibration pad facility at Physics Bldg on USGS site

in Reston, Virginia. Pads NPL and NPH were not in place at the time this picture was taken.


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