Firefighters battle California wildfires, bulldozer operator dies

By Alex Dobuzinskis LOS ANGELES (Reuters) - Crews battling a deadly wildfire in rugged, drought-stricken terrain north of Los Angeles made steady progress in containing the blaze on Wednesday, after a bulldozer operator helping to fight a smaller wildfire in central California died overnight when the machine overturned, officials said. Some 3,000 firefighters battling the so-called Sand Fire in the Angeles National Forest had extended containment lines around 40 percent of the 38,350-acre (15,52