A Westbound NS 23W crosses the stone arch bridge at Duncannon, Pa.

An Eastbound NS 904 OCS movement crosses the stone arch bridge at Duncannon.

An Eastbound NS 26T crosses the stone arch bridge at Duncannon, Pa on the NS Pittsburgh Line.

A fast-moving eastbound stack train behind new EMD power rounds the bend at Duncannon, near the confluence of the Juniata and Susquehanna rivers, on a sunny late November afternoon.

Empty trash train crossing Shermans Creek.

Not much room left for more flood water under the xPRR Sherman's Creek Bridge.

Eastbound Coal train crosses the historic six arch PRR stone bridge over Sherman's Creek. Canon 20D and 17-40mm lens.

NS Geometry Train 903/902 is finally underway after recrew at CP Cannon. Canon 20D and 17-40mm lens.

NS Geometry Train 903/902 pauses at CP Cannon for a recrew on the six-arch PRR-era stone bridge over Sherman's Creek. Canon 20D and 17-40mm lens.

Trash Train heading west.

12G prepares to set off a bad order car to the spur track in Duncannon.

Piggyback train 20T cruises over Shermans Creek on a perfect spring afternoon.

westbound With a new Gevo in lead! plus a FURX 3050 ( SD40-2 ) BN /BNSF colors rebuilt by CP , former URGX Units

Westbound with BNSF 4552 third engine on train , in mid afternoon with fall colors, train just left a 25 mph speed restriction. Photo taken with a 18mm-70mm Nikon lens set at 35mm

Under a cloudless sky, the westbound Pennsylvanian crosses the historic six arch PRR stone bridge at CP Cannon at 14:14. Canon 20D and 17-40mm lens, 1/500 sec. exp., f7.1, IS 100.