The first 10 minutes of this video are all within the classification yard at Marion, Ohio. If you want to skip ahead to lineside views, skip ahead to 10:09.

10:46 Clark Rd. west of Marion
11:23 Hepburn
12:18 Kenton. International Car Co. used to make cabooses, and their facility was on the east side of town. The Penn Central train is on the Toledo Branch, and HN tower was where the Erie crossed the Big 4 Bellefontaine to Sandusky Line.
15:05 Lima SJ tower (DT&I crossing)
16:39 Lima Erie Jct. (B&O and N&W crossings)
19:09 Ohio City N&W and PC crossings
20:50 Decatur (PC and N&W crossings)
22:13 Kingsland (N&W crossing)
22:57 Markle
25:03 Huntington