A longtime friend back in Pennsylvannia had a friend who was a draftsman at the former Jackson & Sharp plant in Wilmington. When they were getting close to shutting down they began to throw away the drawings and his friend salvaged many streetcar/interurban drawings for him because my friend was in his traction phase and had not yet become interested in narrow gauge in general and the Rio Grande in particular. We agreed - if he only had known....all of those passenger cars...