Lee Hogan from Aerials Shots by Lee has submitted several very interesting images of the fire scene at 2620 W. Nelson during the morning hours (roughly 9 hours into the incident).

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Looking south from Barry Avenue. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

View from the north over Barry Avenue looking south east. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Looking down from Nelson and Rockwell. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Looking downward from Rockwell and Barry. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Another view from roughly Rockwell and Barry looking south west. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

View of the entire block looking south west from roughly Belmont and the river. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Reserve Snorkel 1 (6-6-1), Tower Ladder 21, and Engine 112 on Barry Avenue behind the complex of buildings. Lee Hogan photo

Chicago Fire Department 5-11 alarm massive warehouse fire 9-30-12 at 2620 W. Nelson

Looking east at the entire neighborhood. Lee Hogan photo

More coverage of the fire is HEREHERE, HERE, and HERE.