The Ohio, Allegheny and Monongahela Rivers meet in Pittsburgh. Pittsburgh is a city located in the western portion of Pennsylvania. As of 2014, its population is approximately 305,841, making it the second largest city in Pennsylvania.Know More
Pittsburgh was founded in 1758 as a frontier fort settlement and incorporated as a city in 1816. The city was named for Sir William Pitt. From 1890-1911 the city was spelled Pittsburg in accordance with rules set by the U.S. Board on Geographic Names. In 1991, it was restored to its original spelling.
Pittsburgh has several nicknames, including "Gateway to the West," "The Steel City" and "City of Bridges." As of 2014, the city has 446 bridges and 300 steel-related businesses.Learn more about Bodies of Water
The three stages in a river or stream's development are youthful, mature and old. Geologists classify streams along with rivers and view their development as a flowing body of water progressing along the same three stages. Rivers and streams erode and change the landscape around them in their various stages of development and, by doing so, also affect their own course.Full Answer >
The three longest rivers in the United Kingdom are the Thames, Mersey and Severn rivers. The Severn River runs a total distance of 220 miles, while the River Thames covers a distance of approximately 213 miles, and the Mersey River covers a distance of 70 miles. Of the longest rivers traversing the U.K., only the River Thames resides entirely within the nation's borders.Full Answer >
The Missouri is the longest river that flows from north to south in the U.S.; however, it does initially flow north a bit before turning southeast. The next two longest north-to-south rivers are the Mississippi and the Colorado.Full Answer >
A river system is a way of describing the larger networks of streams, lakes and rivers that are part of a larger river's network of tributaries and distributaries; for example, multiple rivers, including the Ohio, Red and Missouri rivers empty into the Mississippi River, serving as tributaries and are part of the Mississippi River's system. These waterways are interconnected and the health of one of these rivers can have an impact on other waterways in the same river system. Additionally, land can be part of a river system, such as the flood plains and wetlands that are impacted by a main river and its tributaries and distributaries.Full Answer >