United Mine Workers of America. District 22

• Agreement between the United Mine Workers of America and the Coal Operators' of Northern Wyoming, year ending August 31, 1910, for mines in Wyoming
• Agreement between the United Mine Workers of America and the Southern Wyoming Coal Operators, for miners in Wyoming, expiring September 1, 1914
• Agreement between United Mine Workers of America and the Coal Operators' Association of Wyoming, year commencing Sept. 1, 1907, for mines in Montana
• Agreement between United Mine Workers of America and the Coal Operators' Association of Wyoming, year ending August 31, 1909, for mines in Wyoming
• Agreement, United Mine Workers of America with coal companies of Montana, year commencing October 1, 1903, for mines in Montana