The Monongahela River is located in the United States. The river stretches for more than 130 miles and winds throughout the eastern side of the states.
north
The address of the Monongahela River Railroad And Transportation Museum is: Po Box 360, Brownsville, PA 15417-0360
The Monongahela River, and Allegheny River points meet to form the Ohio River.
There is a Monongahela River and the Monongahela National Forest in the state of West Virginia.
Allegheny River (from the North East) and the Monongahela River (from the South East) meet to form the Ohio River.
The Allegheny, The Monongahela and the Ohio.
The Monongahala River (i'm not quite sure i spelled that right), and the Allegheny River
Pittsburgh is located where the Allegheny and Monongahela flow together to begin the Ohio River.
The Allegheny River and the Monongahela River
The Allegheny River and the Monongahela River
Tygart Valley River
The Allegeny River is the one that flows into the Ohio River, as does the Monongahela River. They meet at The Point in Pittsburgh PA, referred to as Three Rivers area.
The Allegheny River and the Monongahela River