SAN FRANCISCO -- A museum volunteer has unearthed what the Smithsonian Institution believes to be the first - and perhaps only - color photographs of San Francisco after the 1906 earthquake and fire that nearly leveled the city. The six never-published images were snapped by photography innovator Frederick Eugene Ives several months after the April 1906 "Great Quake," the San Francisco Chronicle reports. Most were taken from the roof of the hotel where Ives stayed during an October 1906 visit. They were stowed amid other items donated by Ives' son, Herbert, and discovered in 2009 by National Museum of American...