| 词条 | Delaware Boundary Markers |
| 释义 |
| name = Delaware Boundary Markers | nrhp_type = hd | nocat = yes | image = Mason-Dixon Monument Oct 11.jpg | caption = Mason–Dixon Monument, October 2011 | location= State boundary lines between DE-MD/DE-PA, Delaware | locmapin = Delaware#USA | built = {{Start date|1763}} | architect = Mason, Charles; Dixon, Jeremiah | added = February 18, 1975 | area = {{convert|0|acre}} | governing_body = State | refnum = 75002101[1] }}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.[2] It was added to the National Register of Historic Places in 1975.[1] References1. ^1 {{NRISref|version=2010a}} {{National Register of Historic Places in Delaware}}{{Delaware-NRHP-stub}}2. ^{{cite web|url={{NRHP url|id=75002101}} |title=National Register of Historic Places Inventory/Nomination: Delaware Boundary Markers|author=Edward F. Heite|date=October 1974}} and {{NRHP url|id=75002101|title=Accompanying photo|photos=y}} 7 : Initial points|Houses on the National Register of Historic Places in Delaware|Historic districts on the National Register of Historic Places in Delaware|Italianate architecture in Delaware|Houses in Sussex County, Delaware|National Register of Historic Places in Sussex County, Delaware|Mason–Dixon line |
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