The Nevada County Narrow Gauge Railroad Museum will be decked with decorations for the annual Christmas party Saturday, offering a host of holiday family-fun features. “The package brings history home in a fun way,” said event chairwoman Annette Murphy, who has worked for the museum for about 10 years. The Christmas party itself has been celebrated the past eight years and began as a way to raise the museum’s profile. “It was a way of getting us on the map in order to make the public aware of us,” Murphy said. Among the many fun facts and highlights of the …