This is a cropped map of Railroads in New England from 1887. The "North Reading Branch" is circled for use in the article of the same name.
Massachusetts Board of Railroad Commissioners (original map)<br><a href="//commons.wikimedia.org/wiki/User:Knowledgekid87" title="User:Knowledgekid87">User:Knowledgekid87</a> (circle)
<a href="//commons.wikimedia.org/wiki/File:1887_Massachusetts_railroads_map.jpg" title="File:1887 Massachusetts railroads map.jpg">Map of the railroads of the state of Massachusetts, accompanying the report of the railroad commissioners, 1887</a>