SAUGATUCK TWP. — An Allegan County township will again have to fill a leadership role after its city manager announced they are leaving for a new role with another municipality.Saugatuck Township Manager Griffin Graham announced his resignation to the township board in a letter Dec. 22. Graham will be as the assistant city manager in South Haven beginning Jan. 28, MLive reported. The Saugatuck Township board will vote to accept Graham’s resignation during its Wednesday, Jan. 13