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United States Department of Agriculture

Agricultural Research Service

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Security Services Unit
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Dan Thessen
BA Physical Security Officer Acting
Telephone: (301)504-0147
Fax: (301)504-6007

Denise Skinner-Marshall
Executive Assistant
Telephone: (301)504-7030

10300 Baltimore Avenue
Building 003 Room 217
Beltsville, MD 20705-2325

Last Modified: 8/13/2016
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