Source:Ordinance-1862-allegheny-second-alley-grading-paving
From Pittsburgh Streets
"An ordinance to authorize the grading and paving of Second Alley from West to Middle streets." Allegheny city ordinance, 1862. Enacted June 5, 1862. In ordinance book of Allegheny City, 1840–1868, pp. 328/329–329/330 (https://pittsburgharchives.access.preservica.com/uncategorized/IO_97c25faa-af4d-4826-99ba-011d5d2f68e5/). Reprinted in the Pittsburg Daily Dispatch, June 10, 1862, [p. 4] (Historic Pittsburgh 31735070095496), and June 11, [p. 4] (Historic Pittsburgh 31735070095504).