Hi Snooki,
There was and is, a third station in Dumbarton. Dalreoch Station is located at the junction of the Balloch, and Helensburgh lines. The local papers are the "Lennox Herald" and "The Reporter", and both are produced weekly. I understand that the archives of the former went back to a time before the accident you refer to. The paper is no longer Dumbarton based, but part of the Scottish and Universal Newspaper Ltd Group, with a contact address at One Central Quay, Glasgow G3 8DA.
Dumbarton Library may be able to assist you as they hold archived copies of the paper.
Regards,
Istrice