Union Pacific near Woodbine, IA, April 2004 

You'll see seven trains from a morning spent by one of the sweeping curves between Woodbine and Logan, Iowa back in April 2004. Traffic is mostly intermodal, with one coal empty and a pair of manifests mixed in. Both of those manifests are led by beastly looking Phase II SD90MACs, still utilizing their 6000 hp H-engines from EMD.