A first edition of the first Atlas map of Maryland printed in America. The map was engraved for Carey's American Edition of Guthrie's Geography Improved and also appeared in Carey’s American Atlas. Counties are named, but there are no county boundaries. Early roadways are shown as well as a block plan for Washington and Georgetown. The inset, showing the western tip of the state, is entitled “Continuation of the Potomac River from Fort Cumberland”.