Placing the Post Mark’d West
Posted by Charles Leach on Nov 30, 2013 in | Comments Off on Placing the Post Mark’d West After eighty years of contention, in 1763 the proprietors of Maryland and Pennsylvania employed Charles Mason and Jeremiah Dixon to settle the boundaries between their provinces “for all times forever hereafter.” Mason and Dixon were astronomers associated with the Royal Observatory in England and were well versed in the mathematical and other skills needed for this complicated...read more