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DC Boundary Marker at SS traffic circle.jpg - Farragutful
1908 40 stones DCSO autoadjust r c.pdf - Slowking4
District of Columbia boundary stone LCCN2016891629.jpg - Fæ
District of Columbia boundary stone LCCN2016891629.tif - Fæ
Map of Alexandria County, Virginia showing DC Boundary Stones.png - Engineerchange
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