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First 101 begins to pull out of Muskogee, OK on July 13, 1980 and the chase begins. The Rock Island Railroad began closing down in January 1980 and quite a bit of their traffic was now moving over the Katy. To handle this additional traffic the MKT borrowed some GP38s and SD40s from Conrail. The second unit is Conrail 8181. Disk 85