Durango Silverton Narrow Guage Railroad - Classic ViewMaster 3 Reel Set 3 Reels with 7 3D stereo Images per reel - 21 3D images - New and unopened Durango and Silverton Narrow Gauge Railroad 3D Images Reels fit all View-Master Viewers Views of the canyons and mountains, arrival in Silverton Historic streets in Silverton, Colorado