The rock runner passes by the Gaithersburg station, build in 1884 and still used by MARC passengers and Saturday coffee drinkers.

Westbound "Rock Runner" K951 passes through Harpers Ferry National Historical Park on the Shenandoah Sub. St. Peter's Catholic Church has a long history and was lucky to survive the Civil War.

Heavy snowfall doesn't stop the Rock Runner from its appointed rounds. Pictured here passing WB Tower and the station during the height of the storm.

The Rock Runner K951 is about to enter the tunnel from the east side to begin its journey down the Shenandoah Sub to the quarry.

CSX K95102 returning to Millville, West Virginia, with 40 empty stone cars passes by a sign of a bygone era.

K951 is pulling a double-length train up Barnesville Hill on the Met, destined for Bladensburg. See EXIF data for image info.

K951 hustles past the very-empty coal storage yard in Brunswick. See EXIF data for image info.

K951 crawls on the wooden trestle past the Ole Hardware store as a group of tourist admire the close view of the train.

Westbound K951 "Rock Runner" approaches Millville Quarry, the largest crushed stone operation in West Virginia.

The usual power for K951 sits in Brunswick yard with an assortment of old CSX power sitting in the background.

K951 the Rock Runner passes through historic Harpers Ferry on a quiet Sunday morning

Like a caged animal at the zoo, the westbound Rock Runner entertains the crowd at Harpers Ferry as it creeps across the Potomac River, heading for Millville on the Shenandoah Sub.

Westbound K951 "Rock Runner" heads to Millville West Virginia while CSX 6917 waits, on the Cumberland Sub, to drop off one section of CWR. See my profile for more pictures of Harpers Ferry. You ca... (more)

K951 Westbound through Harpers Ferry National Historical Park.

Eastbound CSX K951 meets westbound Q373 at the river.