Hello, I have found the following information while researching the earliest settlers of Pittsburgh, PA:
The following are excerpts from "The Unwritten History of Braddock's Field"
EARLY HISTORY AND PIONEER SETTLERS OF BRADDOCK'S FIELD BY MISS DILI.IE STEINMET
.In the early part of the eighteenth century the region along the Monongahela River near the junction of Turtle Creek was inhabited by Queen Alliquippa and her tribee, the Delawares. Her royal wigwam was located a short distance above the junction and here she ruled, with her tribe in complete and satisfied subjection to her authority. In 1742 John Frazier, his wife and family, came to this wilderness from the country near Philadelphia. Frazier, perceiving the junction of Turtle Creek with the river, thought it a suitable place to build a cabin, and accordingly Alliquippa not only gave him permission to build, but also gave him a grant of several hundred acres of land. From historical and traditional stories concerning Frazier, there is no doubt of the fact that he was the first white settler west of the Alleghany Mountains. The site of this cabin has long since been obliterated by the great industrial plant, the Edgar Thomson Steel Works. Governor Dinwiddie, of Virginia, in his report at the Council and House of Burgesses of Virginia under date of Feb. 14, 1754 refers to this cabin as mentioned by Washington in his report of his mission to the French constructing forts on the Ohio. Governor Dinwiddie states that Frazier had lived here upwards of twelve years. Also, Christopher Gist in his Journal says that he and Washington stayed there the night of Thursday, November 22, 1753, and again Sunday, December 30, and Monday, Dec. 31, 1753.
Washington had made a trip to Fort Le Boeuf in the winter of 1753-54 and reported that the French were contemplating building other forts. Accordingly Governor Dinwiddie was convinced that inaction on his part would lose to the English the whole of the Ohio Valley. A council was held at Alexandria, Va., on April 4, 1755, which decided to send an expedition against the French at Fort Duquesne, which was fist the point where the Allegheny and Monongahela Rivers form the Ohio. General Edward Braddock who was commissioned General-in-Chief of His Majesty's forces in America, and who had arrived at Alexandria, Va., Feb. 20, 1755, was to lead the expedition, assisted by Virginia provincials under George Washington. After a long, tedious and laborious march, Braddock's troops arrived at the spot, where the town of Braddock now stands, on July 9, 1775. They were marching along towards Fort Duquesne when a heavy, sharp fire of musketry was poured in upon them from an unseen foe. The troops became panic stricken, and when Braddock was mortally wounded, Washington and his men covered the retreat, and carried the wounded general to a camp near the present Uniontown, where he died July 13, 1755. This conflict is known in history as Braddock's Defeat, and the territory where it occurred is Braddock's Field. In this conflict George Washington and his provincials were schooled in the arts of war which gave them the confidence in their prowess, that enabled them later successfully to throw off the yoke of oppression and establish a nation which is now attracting the admiration and wonder of the world.