Its teams hailed from Kentucky, Ohio, and West Virginia.
During the 1911 season, season ended on September 12, 1911 after an investigation ordered by the National Association disclosed two cases of improper conduct in late season games to prevent Middleport-Pomeroy from winning the second half title.
These games were later deducted at the fall meeting.
After numerous teams had folded, the league stopped play on July 8, 1912, with the Ironton Forgers in 1st place.
[3] 1911 Mountain States Leagueschedule Point Pleasant-Gallipolis (16-32) moved to Middleport-Pomeroy July 1 The season ended September 12 1912 Mountain States League Middleport-Pomeroy (7–21) moved to Montgomery June 16; Montgomery disbanded June 29; Charleston disbanded July 1; Ashland-Catlettsburg and Huntington disbanded July 8, ending the season.