- United States, Post Office Dept
- Digital Commonwealth
- Boston Public Library
- Post Office Dept
Inset: Counties of Jackson, Mo. amd Wyandotte, Kan. The service on this diagram brought up to date of October 1st 1891. Published by order of Postmaster General John Wanamaker under the direction of C. Roeser, Jr., topographer P.O. Dept. ; drawing and lettering by Ferdinand A. Rock ; compilation by A. v. Haake.
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