United States. Post Office Dept. "Post route map of the territory of Alaska with adjacent parts of the Dominion of Canada and portions of Washington and Oregon showing post offices with the intermediate distances and mail routes in operation on the 1st of December 1897." Map. Washington, D.C.: Post Office Dept., 1897. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82kk710 (accessed May 10, 2024).