Steve Redick was perhaps the first photographer to the scene and submitted several images from the early stages of the fire once it vented.

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

Companies on Barry ladder the building behind the fire building to gain access. Steve Redick photo

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

Silhouette of the firemen. Steve Redick photo

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

Heavy fire shows from the north side of the warehouse building. Steve Redick photo

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

Tower Ladder 21 gets into position on Barry. Steve Redick photo

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

Thick smoke pushes out of the south and east sides of the building. Steve Redick photo

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

Engine 106 in front of the building before it was repositioned at the corner. Steve Redick photo

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

9-2-3, the mobile ventilation unit was put to work at one of the loading docks on Nelson. Steve Redick photo

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

Smoke pushes ot of a second floor window as 9-2-3 works below it. Steve Redick photo

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

A view from the south west corner of the warehouse building shows heavy smoke venting from multiple windows on all floors. Steve Redick photo

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

Engine 56 pumping at the corner of Nelson and Elston Avenue. Steve Redick photo

A gallery with more images can be found HERE.

More coverage of the fire is HEREHEREHEREHERE, and HERE.