Where is the deepest part of the 330-mile Delaware River ... derived from its other distinction of being the main stem’s narrowest part. The river courses through a rock canyon before the ...

A newly released map shows for the first time in detail ... the 70,000-acre national recreation area into two main sections. The Delaware River National Park portion would cover 9,760 acres ...

"The main transportation port of the Delaware River — a 103-mile stretch from Philadelphia and Camden to the Delaware Bay — was part of a decades-long deepening project that changed the depth ...