 After leaving the league in 1924, the team spent its 1925 season as an independent, then joined the short-lived Eastern League of Professional Football in 1926.While the most well known Anthracite League team is the Pottsville Maroons, which jumped to the National Football League in 1925 and immediately established itself as a championship contender, the most consistently successful club in the coal region was the Big Green.Coaldale won the coal region's Curran Cup in 1921, 1922 and 1923.