NOUN
- a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River
How To Use Allegheny River In A Sentence
- By the end of the 1800s and early 1900s, those small factories gave birth to the monolithic glass and steel mills that lined the Monongahela and Allegheny rivers.
- The boat, registered to Young, was on its side between the Allegheny River and the 10th Street Bypass near the Fort Duquesne Bridge on-ramp.
- He was ignored, so in 1749 he sent Captain Céleron de Bienville at the head of a party of soldiers, militia, and Indians to the Allegheny River, then down the Ohio and up the Great Miami, to post lead-plate notices declaring that this was French territory. George Washington’s First War
- The following lists locks and dams along the Allegheny River, its flood stage, what the river crested and when after the remnants of Hurricane Ivan stormed through the region.
- These and the barnyards 'manure and the dirt from henneries and swamps that were swept by the waters have all been carried down into the Allegheny River. The Johnstown Horror!!! or, Valley of Death, being A Complete and Thrilling Account of the Awful Floods and Their Appalling Ruin