three o'clock in the morning
`` Fill up the chimney with snow . '' This was a good idea and soon , by forcing the snow down the chimney , they had the fire all but out . Of course it smoked a great deal , but this did little damage . It was three o'clock in the morning and the snow was coming down as thickly as ever . They scarcely knew what to do , until Jed Sanborn suggested they build a camp-fire outside . `` So long as you 've got plenty of firewood why not use it ? '' said he .