Black line protects subdivision from Biscuit Oregon Live/The Oregonian, 08/19/02 WENDY LAWTON and WENDY OWEN Residents in a 25-home subdivision near Agness got some relief Sunday as crews finished a burnout to protect them from the Biscuit fire raging three-quarters of a mile away. A black line, an area devoid of fuel, now protects the Oak Flat subdivision, but the line needs to be tested by the main fire to ensure it's secure. "They've got a good buffer," said Dick Fleishman, fire information officer. However, hot temperatures and high winds can blow embers across the line and spark spot fires,...