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KEITH C. CLARKE Professor Department of Geography NGAC Meeting, April 1-2, 2014. The Four Washington Meridians . Before 1884. The First Washington Meridian 1792. The Second Washington Meridian. North along 16 th St. NW. Through M eridian Hill Park. South to the Jefferson Stone.
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KEITH C. CLARKE Professor Department of GeographyNGAC Meeting, April 1-2, 2014 The Four Washington Meridians