KEITH C. CLARKE Professor
Department of GeographyNGAC Meeting, April 1-2, 2014
The Four Washington Meridians
Before 1884
The First Washington Meridian 1792
The Second Washington Meridian
North along 16th St. NW
Through Meridian Hill Park
South to the Jefferson Stone
The Third Washington Meridian
The importance of #3
The Fourth (and last) Washington Meridian
Standards!