Area 0 acres (0 ha) Year built 1763 | NRHP Reference # 75002101 Added to NRHP 18 February 1975 | |
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Delaware Boundary Markers is a national historic district located on the State boundary lines between Delaware, Maryland, and Pennsylvania. The district includes 94 contributing sites along the Mason–Dixon line and includes the Transpeninsular Line, "Post Marked West" site, Mason–Dixon line, Tangent Line, The Arc, and The 12-Mile Circle.
It was added to the National Register of Historic Places in 1975.
References
Delaware Boundary Markers Wikipedia(Text) CC BY-SA