Keywords: Monongahela College site with historical marker.jpg 39 55 49 5 N 80 3 33 5 W Site of the former w Monongahela College today located on the eastern corner of Pennsylvania Route 188 and Pine Street next to the post office visible at left in Jefferson Pennsylvania Jefferson Pennsylvania United States own 2014-09-27 User Nyttend Nyttend Greene County Pennsylvania Historical markers in Pennsylvania Pennsylvania Route 188 Universities and colleges in Pennsylvania Community pictures by User Nyttend |