File:North end of the Salem Tunnel (1), circa 1917.jpg
![File:North end of the Salem Tunnel (1), circa 1917.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/North_end_of_the_Salem_Tunnel_%281%29%2C_circa_1917.jpg/800px-North_end_of_the_Salem_Tunnel_%281%29%2C_circa_1917.jpg?20200317041034)
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Original file (6,155 × 3,779 pixels, file size: 7.83 MB, MIME type: image/jpeg)