701261 Ruins of the Gallego Flour Mills, Richmond, Virginia, 1865 (albumen silver print) by Gardner, Alexander (1821-82); Private Collection; (add.info.: On April 2, 1865, as the Union Army advanced on Richmond, General Lee gave orders to evacuate the city. A massive fire broke out the following day, the result of a Confederate attempt to destroy anything that could be of use to the invading army. In addition to consuming twenty square blocks, including nearly every building in Richmond\'s commercial district, it destroyed the massive Gallego Flour Mills, situated on the James River.); The Stapleton Collection; American, out of copyright.