EMD F7B #1517 was built in February 1949 (builder #5868).  It was originally DRGW #555B and then became DRGW 5552.  The Alaska Railroad acquired it in 1970.  It later became MDT 1511, but currently belongs to the Wyoming-Colorado Railroad #1511. (Anchorage, 5/3/84) Photo courtesy of Paul Withers Dean Motis Collection