A Short History of Joppatowne - Copley Parish

The history of Joppatowne goes back earlier than the history of Harford County. Prior to 1773, Harford County was part of Baltimore County, and Joppa was the third county seat of Baltimore County. The first county seat had been at Old Baltimore, located on the east bank of the Bush River, on what is now Aberdeen Proving Ground property about a ... ................
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