General Adna Anderson was the planner and builder of military railroads for the Union government during the Civil War. He built the Northern Pacific main line from Glendive to Spokane and also built the Stampede Tunnel through the Cascade Mountains in Washington. The charter for construction of the Northern Pacific was approved by Congress and signed by President Abraham Lincoln on July 2, 1864. Construction of the line was begun at Carlton, Minnesota, in February, 1870, and it was completed at Gold Creek, Montana, on September 8, 1883. Among the prominent builders were W. Milnor Roberts, Edwin Johnson, General Adna Anderson and General T. Rosser.