The Umberger Tragedy: With a Criminal History of Somerset County, Pa. E-book. Formato PDF Edward H. Werner   -  Forgotten Books, 2017  - 

West of the Laurel Hill range, in Westmoreland county, the snow had entirely disappeared. This disparity in the temperature of the country east and west of the Laurel Hill mountain is due to the difference in the respective altitudes of the two regions. J en n'ertown lies nearly 900 feet higher above tide water than Ligonier.