District of Columbia boundary stone NE 8, that is the stone 8 miles southeast of the northernmost corner of DC.  Placed in 1791-1792 by Andrew Ellicott and Benjamin Banneker. See <a rel="nofollow" class="external free" href="http://zhurnaly.com/maps/DC_Boundary_Stones.html">http://zhurnaly.com/maps/DC_Boundary_Stones.html</a> for a map of these stones.
zhurnaly (Mark Zimmermann)
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