Near Newark in New Castle County, Delaware — The American Northeast (Mid-Atlantic)

The Wedge

Photographed by Ian Lefkowitz, May 2, 2024

1. The Wedge Marker

Inscription. Created from the difficulty in surveying the twelve-mile circle tangent point and the Tangent Line defined by Charles Mason and Jeremiah Dixon, this land between the State of Maryland and the Delaware curve is a wedge-shaped tract that was claimed by Pennsylvania but governed by Delaware for more than a century. A joint commission appointed in 1889 from both states awarded it to Delaware. This decision was ratified by Pennsylvania in 1897, with Delaware and the United States Congress following suit in 1921.

Erected 2022 by Delaware Public Archives. (Marker Number NCC-36.)

Topics and series. This historical marker is listed in these topic lists: Notable Places • Political Subdivisions. In addition, it is included in the Delaware Public Archives series list. A significant historical year for this entry is 1889.

Location. 39° 43.07′ N, 75° 47.09′ W. Marker is near Newark, Delaware, in New Castle County. It is on New London Road east of Harvest Lane, on the right when traveling west. Touch for map. Marker is at or near this postal address: 954 New London Rd, Newark DE 19711, United States of America. Touch for directions.

Regionally, this marker is in Greater Wilmington and in Greater Philadelphia.

It is also in the American Mid-Atlantic

and on the Delmarva Peninsula.

Globally, it is in the North Atlantic Region,

North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Netherland

and also one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within 3 miles of this marker, measured as the crow flies: Arc Corner Monument Stone (approx. 0.7 miles away); The Chambers House (approx. 1.1 miles away); Dorothy P. Miller: Champion of Preservation

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(approx. 1.1 miles away); a different marker also named The Wedge (approx. 1.7 miles away); Revolutionary War Patriots in Head of Christiana Cemetery (approx. 1.8 miles away); Head of Christiana Presbyterian Church (approx. 1.8 miles away); Minguannan Indian Town (approx. 2 miles away in Pennsylvania); New London Avenue School (approx. 2.3 miles away). Touch for a list and map of all markers in Newark.

Another marker is no longer nearby. The Wedge (was a few steps from this marker but has been replaced with another marker now near it).

Photographed by Ian Lefkowitz, May 2, 2024

2. The Wedge Marker

The marker is located on the northbound side of New London Road.

Wedgewood Road image. Click for full size.

Photographed by Ian Lefkowitz, May 2, 2024

3. Wedgewood Road

Wedgewood Road is located a block south of the historic marker. Along with the historic marker and the nearby tangent stone, it is one of the few real-world indications of the Wedge.

Credits. This page was last revised on January 13, 2026. It was originally submitted on January 7, 2026, by Ian Lefkowitz of New York, New York. This page has been viewed 80 times since then. Photos: 1. submitted on March 17, 2025, by Ian Lefkowitz of New York, New York. 2, 3. submitted on January 11, 2026, by Ian Lefkowitz of New York, New York. • Devry Becker Jones was the editor who published this page.