Authorities say 15 bodies have been recovered from the wreckage of Flight 3407 near Buffalo as recovery crews race to finish their grim work before a snowstorm arrives later in the week.

Workers were back at the site at dawn Sunday, trying to retrieve the remains of the 49 people on board when the Continental flight crashed into a house Thursday night. The homeowner also died.

Click here to read about prior trouble with the type of jet involved in the crash.

Once the remains are recovered, the focus will turn to removing wreckage of the 74-seat aircraft from the suburban neighborhood where it went down near the end of a flight from Newark, N.J.

About 150 people are working at the site near the Buffalo airport. The tail of the plane sticks out from a mound of black ash and rubble.

Investigators are reviewing whether ice contributed to the crash.