Post route map of the state of Maine showing post offices with the intermediate distances on mail routes in operation on the 1st of June, 1987
Citation
“Post route map of the state of Maine showing post offices with the intermediate distances on mail routes in operation on the 1st of June, 1987,” Northeast Harbor Library, accessed April 25, 2024, https://nehl.digitalarchive.us/items/show/2818.Item 3811