NS Greenville District 9/27/15: SOU 3170 Leads a Heavy P91

On my way back from shooting the coalfields of West Virginia, the last thing I expected to see was Southern SD40 3170. But it happened, so I took advantage of my location to chase it leading heavy local freight P91 southbound on the Greenville District. My first shot is at Seneca, SC, where the four EMDs take a breather after grinding upgrade from Clemson. I chased them to Toccoa, GA, capturing them slogging it out against the mountain at Park. The engineer said this is the loudest train he’s ever been on,