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Kathy Concannon is an educator at the Maryland Archaeology Conservation Laboratory in St. Leonard, Maryland.
Washington, DC Sunday, December 19, 2010
C-SPAN visited the Maryland Archaeological Conservation Lab in St. Leonard, Maryland to learn more about work at the facility. About eight million objects are housed at the "MAC Lab."
Updated: Monday, December 20, 2010 at 12:17pm (ET)
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