Christopher Gist was one of the first English colonists to survey the Ohio River Region around present day Pittsburgh in 1751.William M. Darlington (ed.). Christopher Gist's Journals, with Historical, Geographical and Ethnological Notes and Biographies of His Contemporaries, Pittsburgh, J. R. Weldin & Co., 1893; Part 4: 1750-51. George Washington would also survey the area in 1753 as an envoy to demand the French to vacate the territory, which the British had claimed, as land disputes were occurring between British and French colonies at the time.McCain, George Nox., Lambing, Andrew Arnold., White, John W. F.. Allegheny County: Its Early History and Subsequent Development from the Earliest Period Till 1790. Snowden & Peterson, 1888. Hostilities broke out in 1754 which triggered the French and Indian War.
Christopher Gist was one of the first English colonists to survey the Ohio River Region around present day Pittsburgh in 1751.William M. Darlington (ed.). Christo?pher Gist's Journals, with Historical, Geographical and Ethnological Notes and Biographies of His Contemporaries, Pittsburgh, J. R. Weldin & Co., 1893; Part 4: 1750-51. George Washington would also survey the area in 1753 as an envoy to demand the French to vacate the territory, which the British had claimed, as land disputes were occurring between British and French colonies at the time.McCain, George Nox., Lambing, ,Andrew Arnold., White, John W. F.. Allegheny County: Its Early History and Subsequent Development from the Earliest Period Till 1790. Snowden & Peterson, 1888. Hostilities broke out in 1754 which triggered the French and Indian War.