I have inherited a large collection of Rock Island items from my dad and brother who worked in the Des Moines area for many many years - my dad at the store room and round house and my brother in the area of directing traffic (don't know what it was called). Interested in contacting people who are interested in these types of items - pictures of cars, engines, etc and schedules, maps - belt buckles, patches, envelopes, don't know how to identify many other items. Can send pictures to interested parties.