More than 500 people were employed by the railroad in Deer Lodge during the 1970s. In 1985, the Milwaukee Road shut down, ending 138 years of history.

Conflict between Powell County and the Grant-Kohrs Ranch National Historic Site over the status of a road and trail through the ranch's property ended recently with a trail-friendly compromise.

Montana Power Co. is formed in 1912 by merging four regional electric companies. The utility's function is to sell power to Anaconda Copper and the Milwaukee Road railroad.

The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern Missouri on March 18, 1925.