(Albany, OR)  --  Damage is estimated at more than one-million-dollars, following a four-alarm fire that ripped through a building at South Albany High School.  Investigators are trying to determine what caused the blaze, which occupied as many as 15 different fire agencies and 70 firefighters.  Officials say the fire broke out early yesterday morning in the cafeteria building and part of the roof collapsed around 5:30 a.m.  No injuries have been reported.