Mason and Dixon Line

Mason and Dixon Line (HM3KZ)

Location: Hagerstown, MD 21742 Washington County
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Country: United States of America
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N 39° 43.248', W 77° 40.365'

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100th Mile Stone

Maryland-Pennsylvania boundary line. Surveyed and marked 1763-68 by two English astronomers, Charles Mason and Jeremiah Dixon. This is one of the "Crown" stones, set every five miles displaying the coat of arms of Lord Baltimore on south and Penns on north sides. Intermediate miles marked by stones with M facing Maryland and P Pennsylvania. Stones imported from England.
HM NumberHM3KZ
Placed ByState Roads Commission
Marker ConditionNo reports yet
Date Added Sunday, October 5th, 2014 at 2:56pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 270913 N 4400185
Decimal Degrees39.72080000, -77.67275000
Degrees and Decimal MinutesN 39° 43.248', W 77° 40.365'
Degrees, Minutes and Seconds39° 43' 14.88" N, 77° 40' 21.90" W
Driving DirectionsGoogle Maps
Area Code(s)301, 240
Closest Postal AddressAt or near 20023 Marsh Rd, Hagerstown MD 21742, US
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