Pennsylvania Gravity. The Pennsylvania Coal Co. gravity railroad was in operation between lower Pittston and Hawley from 1850 to 1884. It crossed the highway by overhead trestle near this point. This was plane No. 7. E Drinker St., near ramp for I-81, Dunmore, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap
