The 1877 map by Charles Gorham is available for viewing and downloading free from the Tennessee State Library & Archives’ Web site.

Marshall County is in the lower right quadrant of the map.

Click here to visit the TeVA entry for the Explanation of Mail Service map.

The map is described in the TSLA Catalogue:

Title	Explanation of mail service
Description	This map shows postal routes in West and Middle Tennessee and adjacent states. It indicates, by color, how often mail runs along these routes. Distances are derived from certified returns of the Postmasters & Contractors. Latitudinal and longitudinal lines are illustrated along the border. Very similar to Map 143.
Historical Note	This map provides a detailed look at the post offices and postal routes of Tennessee towards the end of the 19th Century.