Keywords: William P. Hay House.jpg 40 0 51 5 N 79 13 16 W Front and northern side of the William P Hay House located along the western side of Jimtown Road in w Jefferson Township Somerset County Pennsylvania Jefferson Township Somerset County Pennsylvania Somerset County Pennsylvania United States It was built circa 1870 in the then-antiquated Federal style own 2013-06-21 User Nyttend Nyttend Built in Pennsylvania in 1870 Houses built in the United States in 1870 1870s houses in Pennsylvania Brick houses in Pennsylvania Farmhouses in Pennsylvania Federal architecture in Pennsylvania Somerset County Pennsylvania Building-centered pictures by User Nyttend |