PHOTOS: Great Fire of Pittsburgh, 1845

Great Fire of Pittsburgh "Great Conflagration at Pittsburgh, PA. April 10, 1845." Hand-colored Lithograph. 9 x 12.5 inches, second state. Published by Turner & Fisher, 15 North 6th Street, Philadelphia and N. Currier, 2 Spruce St. NY. Inscribed "Nearly 12,000 houses destroyed" and " Estimated loss of property $9,000,000." (Archives & Special Collections, University of Pittsburgh Library System)