The four–team Independentlevel Blue Mountain League consisted of franchises based exclusively in Pennsylvania.
The Blue Mountain League permanently folded following one season of play.
The State Belt and Hay lines provided free transportation for the teams to travel.
There was early concern because Nazareth had only signed six players when the other teams' rosters were complete.
[2] A printed postcard of the 1907 Nazareth team identifies them as the "pennant winners" of the Blue Mountain League.