3 entries match your criteria. Related Historical MarkersTo better understand the relationship, study each marker in the order shown. By Richard E. Miller, June 27, 2010 Close-up of plaque in the sidewalk below the north face of the monument SHOWN IN SOURCE-SPECIFIED ORDER1► District of Columbia (Washington), Downtown — Zero Milestone — President's Park — 2► District of Columbia (Washington), Columbia Heights — Washington Meridian — "The Stone" — 1804 - 1923 — 3► District of Columbia (Washington), The National Mall — Jefferson Pier — [Washington Monument] —