Aberdeen Proving Ground

Aberdeen Proving Ground, MD 21005, USA
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Aberdeen Proving Ground

Public Safety

April 24, 2020

Public Schools

April 22, 2020

Welcome

April 20, 2020

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Welcome

Named after Henry Harford, the ­illegitimate son of Frederick Calvert, sixth Lord Baltimore,  Harford County is located along the shores of Chesapeake Bay. The county is approximately 25 miles northeast of Baltimore, Md. It is bordered by the Mason-Dixon Line and Pennsylvania to the north, the Susquehanna River to the east, the scenic Chesapeake Bay […]
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