Above: Ironton Rail Trail Commission representatives give details on this refurbished Ironton Railroad caboose, near the trailhead in Stiles, during an IRT historical walk Saturday. This 15th annual event took participants on a 10K walk through Whitehall and Coplay. Right: Walkers - about 20 in all - enjoy the warm weather as they make their way along the IRT. The historic walk took about three