Source:Negley
From Pittsburgh Streets
W. B. Negley. "Allegheny County; its formation, its cities, wards, boroughs and townships." Historic Pittsburgh 76v01p04. In Atlas of the County of Allegheny Penna.: From Official Records Private Plans and Actual Surveys, p. 4, G. M. Hopkins, C. E., Philadelphia, 1876 (http://historicpittsburgh.org/maps-hopkins/1876-atlas-pittsburgh-allegheny).
