(Galesburg, IL)  --  Authorities in Galesburg are investigating a structure fire that took place early Wednesday morning.  Firefighters were called to the 400 block of Peck Street Wednesday morning at just after 1.  Investigators say they are continuing to investigate the fire but believe it may have been caused by a clothes dryer that was located in the basement.  Firefighters say the blaze was contained to the basement.  However, there was smoke damage through out the home.  The American Red Cross Disaster Action Team responded  to the fire and housed two adults and four children as a result of the fire.