National Park Service2010-02-152010-02-151995http://hdl.handle.net/1969.3/23927154 p.Rivers, Trails and Conservation Assistance is a program of the National Park Service which cooperates with states, local governments, and citizen groups to protect and restore river corridors and to establish trail systems. The goal of this outreach program is to share the expertise of the National Park Service with groups working to protect their river, trail and greenway resources.Book