In 1865 , Western Union laid a telegraph line across Alaska to the Bering Strait where it would connect , under water , with an Asian line .
When Alaska was first purchased , most of its land remained unexplored .
In 1865 , Western Union laid a telegraph line across Alaska to the Bering Strait where Alaska would connect , under water , with an Asian line .
When Alaska was first purchased , most of its land remained unexplored .