Firefighters in Denison fought for two-hours to continue a blaze at a scrap yard, Friday morning. According to the Omaha World-Herald, the blaze at Schau Recycling was reported shortly after 8-a.m. Denison Fire Chief Cory Snowgren told the paper an explosion within the scrap pile was the likely cause of the fire, which resulted in minor injuries to one firefighter who was treated at the Crawford County Memorial Hospital.Snowgren said the fire was close to valuable equipment, which the initial fire teams were able to save. Several citizens provided ice, Gatorade and water. Tires and synthetic material in crushed cars at the site created thick, black smoke.