Public domain photos

The image shows a poster with a map of the Alaska Airlines route from 1920 to 1934, with green lines indicating the route of the flight. The text on the poster provides further details about the flight, such as the names of the cities and towns along the route.

The image shows a poster with a map of the Alaska Airlines route from 1920 to 1934, with green lines indicating the route of the flight. The text on the poster provides further details about the flight, such as the names of the cities and towns along the route.Open in library