N 40° 00.000 - Washington Boro, PA
Posted by: Groundspeak Regular Member Math Teacher
N 40° 00.000 W 076° 28.447
18T E 374167 N 4428797
The title of this historic marker displays geographic coordinates in an unusual way, listing the perfect place to find zeroes, also known as the 40th parallel. The marker which tells the tale of the Mason-Dixon Line, revisiting old boundaries.
Waymark Code: WMCKC6
Location: Pennsylvania, United States
Date Posted: 09/16/2011
Views: 22

This sign, although in Pennsylvania, once sat in Maryland, until the boundary was redrawn by Mason & Dixon. The marker is located on on Water Street (Pennsylvania Route 441) 0.1 miles south of Manor Street, on the left when traveling south. The marker was commissioned by: Safe Harbor - Water - Power Corp. Inc. 1930. The marker reads:

Maryland's charter, granted in 1632, included old Philadelphia since it made the 40th parallel, which crosses the river near this point, her northern boundary. This charter conflicted with the charter given William Penn in 1681. After more than eighty years of legal disputes, a survey in 1763-67 fixed the boundary at the 39-43' parallel. This boundary acquired national fame as the Mason and Dixon line.

Type of structure: Sign

Difference between the post coordinates and your GPSr reading:
Perfect alignment of coordinates


Reason for the coordinates: To designate the 40th parallel

Visit Instructions:
Post another photo of the coordinates. If you're unable to do so, please tell us about your experience at the waymark.
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philflyboy visited N 40° 00.000 - Washington Boro, PA 08/12/2021 philflyboy visited it
mars888 visited N 40° 00.000 - Washington Boro, PA 09/07/2015 mars888 visited it
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ted28285 visited N 40° 00.000 - Washington Boro, PA 06/02/2012 ted28285 visited it
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