droop guide rails
1List of West Virginia state parks — The state park system in West Virginia has grown to 36 parks and 2 rail trailscite web |url=http://www.wvstateparks.com/ |title= Official West Virginia State Parks web site|accessdate=2006 10 03 publisher=West Virginia State Parks |pages=… …
2Continuous track — A closeup of continuous tracks on a bulldozer …
3North Bend Rail Trail — Coordinates: 39°17′06″N 80°58′14″W / 39.285°N 80.97056°W / 39.285; 80.97056 …
