World War II-era telephone line still in use in Upper Tanana Valley Alaska (2021)
Summary
Historical article about the World War II-era Alaska Military Telephone Line (AMTL). It covers build-out between 1942-1943 along the Alaska Highway, the technological mix (radio, telephone, teletype), copper-wired substitutions with copper-clad steel, construction challenges, and the fact that portions of the line remain in local service, underscoring the long-lived nature of critical communications infrastructure.