The meetings resulted in a future affiliation agreement with the Philadelphia Phillies and the franchise structure details were concluded.
[11][12] The Carbondale "Pioneers" became charter members of the Class D level North Atlantic League.
[13] The 1946 North Atlantic League standings featured the Peekskill Highlanders 82–32, Nazareth Cement Dusters 78–40, Stroudsburg Poconos 72–47, Carbondale Pioneers 69–48, Nyack Rockies 67–53, Bloomingdale Troopers 41–78, Mahanoy City Bluebirds 30–79 and Newburgh Hummingbirds/Walden Hummingbirds 27–89.
The Pioneers played as an Independent co–op team their first year, before the Phillies affiliation officially began.
The Pioneers ended the 1946 season with a 69–48 record, placing fourth in the standings, playing under manager Pat Colgan.
In the first round of the playoffs, the Carbondale Pioneers defeated the Nazareth Cement Dusters four games to one to advance.
Carbondale won in first round of the playoffs, defeating the Mahanoy City Brewers four games to three to advance.
Managed by Barney Lutz, Carbondale finished 39.0 games behind the 101-35 Stroudsburg Poconos and did not qualify for the four–team playoffs.
The Pioneers ended the 1950 season with a record of 76–55, finishing 10.0 games behind the first place Lebanon Chix.
Playing under Manager Joe Glenn, in the playoffs, Lebanon defeated the Carbondale Pioneers 4 games to 3 to end their season.
[37] The Carbondale Pioneers played minor league home games at Russell Park.