Source:Masson
William Masson. Plan of Pittsburgh: With the Allegany and Monongohaley Rivers: Shewing there connection into the ohio: Likewise the different vessels built at Pittsburgh: Octor 10th, 1805. 1805. Reproduced in George T. Fleming, "Early annals of the port of Pittsburgh: In the days of shipbuilding—curious old map evokes much history—Pittsburgh in 1805 revealed—Stephen Quinon's story of our ocean commerce—the little square riggers that sailed from Pittsburgh: Some pages from the book of a French savant: Pittsburgh as F. A. Michaux saw it in 1802: Our river commerce of that time—his story of our sailing and other vessels—his meeting with the Chevalier Dubac," Pittsburgh Gazette Times, July 2, 1922, sec. 5, p. 2 (Newspapers.com 85856279); in George T. Fleming, "History from an old map: William Masson's map of Pittsburgh in 1805 studied and explained—seagoing vessels outlined and old-time residences marked; the vacant tracts outside borough lines noted—a rugged topography indicated; the many ferries of the period," Pittsburgh Gazette Times, July 9, 1922, sec. 5, p. 2 (Newspapers.com 85913400); in Charles Henry Ambler, A History of Transportation in the Ohio Valley: With special reference to its waterways, trade, and commerce from the earliest period to the present time, p. 95, Arthur H. Clark Co., Glendale, Calif., 1932 (HathiTrust 001108773); in Stefan Lorant, Pittsburgh: The story of an American city, 5th (Millennium) ed., p. 75, Esselmont Books, Pittsburgh, 1999, ISBN 0-967-41030-4 (LCCN 99-066641); and in David Halaas and Andrew Masich, "Rediscovering Lewis & Clark," Western Pennsylvania History, vol. 86, no. 4, winter 2003–04, pp. 12–21 (https://journals.psu.edu/wph/article/view/7563).
