- United States, Post Office Dept
- Digital Commonwealth
- Boston Public Library
- The Department
Also shows counties and railroads. Relief shown by hachures and spot heights. Insets: Environs of Denver--Cripple Creek and Colorado Sprs. Includes list of counties showing relative position. Published by order of Postmaster General Henry C. Payne under the direction of A. von Haake, topographer P. O. Dept.
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