Copper League was an Independent League
1913 El Paso TX, Hurley NM, Santa Rita NM, Silver City NM
1914 Hayden Mills AZ, Hayden Smelter AZ , Ray AZ
1925 Chihuahua MX, Douglas AZ, El Paso TX, Fort Baynard NM
1926 Bisbee AZ and Santa Rose NM entered the league.
1927 Chihuahua and Douglas left the league.