Many narrow gauge lines were private carriers serving particular industries.

By the 1930s a number of private sidings were opened off the line to serve adjacent industries.

In 1919 as well as the two sets of main lines there were some private sidings serving local industries.

It served several industries, including the Viceroy plant and the scrapyard.

Some will serve different industries, while others will operate within a narrow specialty.

A last intersection, a minor road serving industries that had been zoned out of the city proper.

However, only a short piece of track serving industries in Elkton was ever constructed.

The line then served local industries until it was mothballed.

It served the local steel works and other local industries.

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