File:1861 Map showing proposed location of the Broadway horse railroad, Cambridge, by W.A. Mason and W.S. Barbour, from the Digital Commonwealth - ocn843955735.jpg
![File:1861 Map showing proposed location of the Broadway horse railroad, Cambridge, by W.A. Mason and W.S. Barbour, from the Digital Commonwealth - ocn843955735.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/1861_Map_showing_proposed_location_of_the_Broadway_horse_railroad%2C_Cambridge%2C_by_W.A._Mason_and_W.S._Barbour%2C_from_the_Digital_Commonwealth_-_ocn843955735.jpg/800px-1861_Map_showing_proposed_location_of_the_Broadway_horse_railroad%2C_Cambridge%2C_by_W.A._Mason_and_W.S._Barbour%2C_from_the_Digital_Commonwealth_-_ocn843955735.jpg?20211122105920)
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