A settler of the area (since as early as 1763–1769), Derr had purchased several tracts of land from the William Penn family and other neighboring land owners, the largest of which was known as "The Prescott".
这个地区的定居者（早在1763-1769年），德尔从威廉·佩恩家族和其他邻近的土地所有者那里购买了几大片土地，其中最大的一个被称为“普雷斯科特”。