a terminal moraine runs from the nearby lee mountain to the southern base of knob mountain and then over knob mountain to fishing creek. the mountain has coarse, hard sandstone near its peak and is situated in the wyoming coal basin. this coal basin is part of a chain of coal-containing areas that runs between lackawanna county and dauphin county. the wyoming and lackawanna coal field terminates at knob mountain. there is also a red shale basin under the mountain.