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|   Fort McHenry Boundary Stone 1837 (North) - Baltimore, MD
in U.S. Historic Survey Stones and Monuments One of several NPS boundary stones that were laid to mark the boundary between Fort McHenry and the city of Baltimore. posted by:  bluesnote location: Maryland date approved: 8/26/2021 last visited: never |
 view gallery SW0 km
| Fort McHenry Boundary Stone 1837 (South) - Baltimore, MD in U.S. Historic Survey Stones and Monuments One of several NPS boundary stones that were laid to mark the boundary between Fort McHenry and the city of Baltimore. posted by: bluesnote location: Maryland date approved: 8/26/2021 last visited: never |
 view gallery W18.2 km
| Old U.S. 40 Mile Marker 10 - Ellicott City, MD in U.S. Historic Survey Stones and Monuments One of many original mile markers along old U.S. 40 to Baltimore. posted by: bluesnote location: Maryland date approved: 12/29/2015 last visited: 6/11/2019 |
 view galleryW18.2 km | Surveyor's Boundary Stone - Ellicott City, MD in U.S. Historic Survey Stones and Monuments A historic survey monument is now on display in the Ellicott City Station's Museum. It's located on the second level. posted by: bluesnote location: Maryland date approved: 3/24/2016 last visited: 3/24/2016 |
 view galleryW18.7 km | S.D.C. 1886 Monument - Ellicot City, MD in U.S. Historic Survey Stones and Monuments A stone monument located along Main St. posted by: bluesnote location: Maryland date approved: 5/31/2015 last visited: 5/31/2015 |
 view galleryW19.6 km | Old U.S. 40 Mile Marker 11 - Ellicott City, MD in U.S. Historic Survey Stones and Monuments One of many original mile markers along old U.S. 40 to Baltimore. posted by: bluesnote location: Maryland date approved: 12/29/2015 last visited: 12/29/2015 |
 view gallery NE27.5 km
| 14 Miles to Baltimore Milestone - Jerusalem, MD in U.S. Historic Survey Stones and Monuments A milestone from 1885 at the visitor center for Gunpowder Falls State Park in Jerusalem, Maryland. posted by: bluesnote location: Maryland date approved: 6/16/2021 last visited: 6/8/2022 |
 view gallerySW39.9 km | 23 Miles to Baltimore - College Park, MD in U.S. Historic Survey Stones and Monuments An original milestone on U.S. Route 1 in College Park, Maryland stating there are 23 miles to Baltimore. posted by: bluesnote location: Maryland date approved: 5/24/2021 last visited: 5/24/2021 |
 view gallerySW49.2 km | Washington D.C. Boundary Stone - NE2 in U.S. Historic Survey Stones and Monuments This Washington D.C. Boundary Stone NE2 is located in Takoma Park, Maryland. posted by: Marine Biologist location: Maryland date approved: 5/16/2008 last visited: 7/29/2012 |
 view gallerySW49.6 km | Washington DC Boundary Stone - North in U.S. Historic Survey Stones and Monuments Stone post which marks the northernmost point of the District of Columbia. posted by: Ernmark location: District of Columbia date approved: 8/13/2012 last visited: 12/22/2022 |
 view gallerySW50.1 km | DC East Cornerstone - Washington, DC in U.S. Historic Survey Stones and Monuments The eastern boundary stone, marking the eastern edge of the 10 x 10 mile diamond of the District of Columbia. This stone, set in 1791, still stands and continues to mark the official boarder between Washington, DC and Maryland. posted by: bluesnote location: District of Columbia date approved: 1/15/2018 last visited: 1/15/2018 |
 view gallery N50.9 km
| Mason Dixon 40 Mile Stone - Stewartstown, PA in U.S. Historic Survey Stones and Monuments What is left of the original Mason Dixon 40 Mile Stone, located 4 feet east of a replica stone. posted by: bluesnote location: Pennsylvania date approved: 1/15/2022 last visited: 8/13/2022 |
 view galleryN50.9 km | Mason Dixon 40 Mile Stone (Replica) - Stewartstown, PA in U.S. Historic Survey Stones and Monuments A replica Mason-Dixon stone set 4 feet west of the original in 2015. posted by: bluesnote location: Pennsylvania date approved: 1/15/2022 last visited: 8/13/2022 |
 view galleryN51 km | MASDIX West Line Stone 49, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 49, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by:  seventhings location: Maryland date approved: 3/1/2007 last visited: never |
 view galleryN51 km | Mason-Dixon Stone - Maryland Line, MD / New Freedom, PA in U.S. Historic Survey Stones and Monuments A more modern Mason-Dixon monument next to Main Street along the original Mason-Dixon line which separates Maryland from Pennsylvania. posted by: bluesnote location: Pennsylvania date approved: 9/16/2021 last visited: 8/13/2022 |
 view galleryN51.2 km | MASDIX West Line Stone 40, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 40, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 8/22/2007 last visited: 1/6/2023 |
 view galleryN51.3 km | MASDIX West Line Stone 50, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 50, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 2/28/2007 last visited: 8/4/2013 |
 view galleryN51.5 km | MASDIX West Line Stone 51, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 51, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 3/2/2007 last visited: 7/4/2018 |
 view galleryN51.7 km | MASDIX West Line Stone 38, 1766, Maryland - Pennsylvania in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 38, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 7/14/2007 last visited: 1/6/2023 |
 view galleryN52.1 km | USCGS West Line Stone 53, 1902, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments USCGS West Line Stone 53, 1902, PA-MD, is a dressed white marble shaft set in 1902 to replace a Portland Stone monument set nearby by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD posted by: seventhings location: Maryland date approved: 2/22/2007 last visited: 9/9/2011 |
 view galleryN52.8 km | MASDIX West Line Stone 35, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 35, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 8/15/2007 last visited: 1/6/2023 |
 view galleryN54.1 km | MASDIX West Line Stone 57, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 57, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 1/31/2007 last visited: 5/1/2010 |
 view gallerySW54.2 km | Washington D.C. Boundary Stone - Northwest 7 in U.S. Historic Survey Stones and Monuments Nestled in the front yard of a house, this one is best viewed from the front gate. posted by: flyingmoose location: District of Columbia date approved: 2/28/2021 last visited: never |
 view galleryN54.7 km | MASDIX West Line Stone 58, 1766, Pennsylvania-Maryland in U.S. Historic Survey Stones and Monuments MASDIX West Line Stone 58, 1766, PA-MD, is a dressed Portland Stone shaft set by Mason and Dixon during their survey of the West Line to demarcate the boundary between PA and MD. posted by: seventhings location: Maryland date approved: 1/26/2007 last visited: 12/12/2011 |
 view gallerySW56 km | Washington D.C. Boundary Stone - Northwest 6 in U.S. Historic Survey Stones and Monuments Located on a small strip of land between Western Avenue and Park Place Northwest. posted by: flyingmoose location: District of Columbia date approved: 2/28/2021 last visited: never |
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