Do you have Edward McGroarty in your database? Jim McGroarty, his son and my 2nd cousin, said his father was a "gandy dancer" in track labor for the Monon in and around 1930, probably on the Michigan City branch. Jim doesn't recall how long and when he worked there. In the 1930 US Census schedule, Porter Co., IN, Westchester Twp., Edward, then age 17, was in track labor for a railroad company.
Please let me know. Thanks, Denny Wozniczka