sentences:  These surveys were the Keith Line and the other survey was the Coxe-Barclay line, which created the border of eastern Sussex county.The Coxe-Barclay line, which was drawn in the late 1600s, established West Jersey in what is now Sussex County from the headwaters of the Pequannock River with a line going northeast to the line of the Province of New Jersey and New York.This line was between 41 degrees 40 minutes north to 41 degrees north.