Question: Mahanoy Creek is a 51.6 mi tributary of the Susquehanna River, in Northumberland and Schuylkill counties, Pennsylvania, a major river located in the northeastern region of which country?
Sentence (from "Mahanoy Creek"): Mahanoy Creek's tributaries include Schwaben Creek, Zerbe Run, Little Mahanoy Creek, Shenandoah Creek, and North Mahanoy Creek.
Relevant evidence: No