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The Meadowcroft Rockshelter is an archaeological site which is located near Avella in Jefferson Township, Pennsylvania. [4] The site is a rock shelter in a bluff overlooking Cross Creek (a tributary of the Ohio River), and contains evidence that the area may have been continually inhabited for more than 19,000 years.
Downstream users complained about Pittsburgh's dumping of sewage into the Ohio River. Allegheny County cities did not stop discharging raw sewage into rivers until 1939. Pittsburgh's smoke pollution, seen in the 1890s as a sign of prosperity, was recognized as a problem in the Progressive Era and was cleared up in the 1930s–1940s.
The river enters both Allegheny and Westmoreland counties, the Pittsburgh suburbs, and the City of Pittsburgh from the northeast. It passes the North Side, downtown Pittsburgh, and Point State Park. The Allegheny joins with the Monongahela River at the "Point" in downtown Pittsburgh to form the Ohio River. [19]
Shannopin's town relative to other Native American settlements on the upper Ohio River. Shannopin's Town, or Shannopintown, was an 18th-century Lenape (Delaware) town located within the site of modern-day Pittsburgh, Pennsylvania, along the Allegheny River, approximately two miles east from its junction with the Monongahela River.
This is a list of Native American archaeological sites on the National Register of Historic Places in Pennsylvania.. Historic sites in the United States qualify to be listed on the National Register of Historic Places by passing one or more of four different criteria; Criterion D permits the inclusion of proven and potential archaeological sites. [1]
Little is known about Queen Aliquippa's early life. Her date of birth has been estimated anywhere from the early 1670s to the early 18th century. By the 1740s, she was the leader of a band of Mingo Seneca living along the three rivers (the Ohio River, the Allegheny River, and the Monongahela River) near what is now Pittsburgh, Pennsylvania.
This was true of Native Americans in the Pittsburgh area and the Ohio River Valley area in general. In addition, the relationship between the Indians and the French was so strong that most Native American tribes allied with the French during the Conquest, although several chiefs such as Tanachrission wanted to join the British. [4]
A Plan of the New Fort at Pitts-Burgh drawn by cartographer John Rocque in 1765. Fort Pitt was a fort built by British forces between 1759 and 1761 during the French and Indian War at the confluence of the Monongahela and Allegheny rivers, where the Ohio River is formed in western Pennsylvania (modern day Pittsburgh).