 The views are mainly east, south and west from here; the summits of Big Mountain, Sideling Hill, Williamsburg Mountain and Blue Knob can be seen in the distance.Butler Knob is located within the Rothrock State Forest, all camping and activities on the mountain are subject to the rules and regulations of that agency.Alan R. Geyer (1979) ""Outstanding Geologic Features of Pennsylvania"", Geological Survey of Pennsylvania

Charles H. Shultz (1999) ""The Geology of Pennsylvania"", Geological Survey of Pennsylvania