United States. Post Office Dept. "Post route map of the territory of Alaska showing post offices and the intermediate distances on mail routes in operation on the 1st of December, 1903." Map. Washington, D.C.: Post Office Dept., 1903. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82km41g (accessed April 19, 2024).