- United States, Post Office Dept
- Digital Commonwealth
- Boston Public Library
- Post Office Dept
Also shows railroads, counties, and [congressional districts?]. Includes list of counties showing relative position. The service on this diagram brought up to date Dec. 1st. 1895. Published by order of Postmaster General William L. Wilson under the direction of A. von Haake, topographer P.O. Dept.
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