Source:Mcgowin-1845
R. E. M'Gowan. Map of Pittsburgh & Vicinity: Designating the portion destroyed by fire, April 10, 1845. J. W. Cook, Pittsburgh, 1845. https://commons.wikimedia.org/wiki/File:Pittsburgh_map_1845.jpg. Published in the front matter of J. Heron Foster, A Full Account of the Great Fire at Pittsburgh, on the Tenth Day of April, 1845: With the Individual Losses, and Contributions for Relief, J. W. Cook, Pittsburgh, 1845 (Internet Archive fullaccountofgre00fost) and of O. Ormsby Gregg, Isaac Gregg, and Moses F. Eaton, Pittsburgh, Her Advantageous Position and Great Resources, as a Manufacturing and Commercial City, Embraced in a Notice of Sale of Real Estate, Johnson & Stockton, Pittsburgh, 1845 (Google Books nrJs-DDEN1sC; Historic Pittsburgh 00afu7810m).
