"Burning of the Merchants Exchange, New York City. The Great Fire of December, 1835."
Courtesy of The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection;
New York Public Library
From Fire in America!. Lyons, Paul. 1976 :
"The fire started at 9 p.m., swept through the close combustible buildings with their extreme fire load of mercantile products, and defied most control efforts of the New York City Fire Department... Kegs of gunpowder were used to destroy buildings, thus creating a fire break to interrupt progress of flames from one combustible section to the next... By December 19, the fire diminished and was near to extinguishment, but it had destroyed buildings within a quarter-mile square in a very valuable district of the city."