Trails ranging from urban bikeways to wilderness hiking paths will be discussed at the 13th National Trails Symposium, March 9-12, in Washington, D.C. American Trails, public-lands agencies and the Federal Highway Administration are sponsoring the workshop, which also features special on-the-trail field trips in the D.C. area. Contact American Trails, Box 200787, Denver, CO 80220 (303/321-6606).