Monongahela Connecting Railroad License PlateMonongahela Connecting Railroad License Plate 6" x 12" . 032 Gauge Aluminum Includes 4 Mounting Slots & 1 2" Radius Rounded Corners UV Protective coating to Prevent Fading Image is reproduction final product might differ slightly Made in America . The Monongahela Connecting Railroad (reporting mark MCRR) or Mon Conn was a small industrial railroad in Pittsburgh, Pennsylvania. It was a subsidiary of the Jones & Laughlin Steel Company and a large

and later to US Airways

Tracks spanned 128 miles (206 km) total between the two segments

Bethlehem Shipbuilding Corporation

976 mile of seventh

and usually called the Southern Pacific or (from the railroad's initials) Espee

but was not approved by the Interstate Commerce Commission until 1967

In 1988 the Southern Pacific was taken over by D&RGW parent Rio Grande Industries

On the other end

At its height

The official motto of the line was "The Friendly Service Route"

and Potomac Railroad (reporting mark RFP) was a railroad connecting Richmond

The Cincinnati Northern was formally merged into the Big Four effective June 30