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	Title:	Subject.TGM:	Description:

341.	Crown Fountain, early site documentation, August 27, 2001	Trees; Skyscrapers; Lawns;	View south from the approximate location of the north tower before construction began. The Art Institute of Chicago and the Michigan Avenue street wall are visible in the background.

342.	Crown Fountain, early site documentation, August 27, 2001	Trees; Skyscrapers; Lawns;	View south from the approximate location of the north tower before construction began. The Art Institute of Chicago and the Michigan Avenue street wall are visible in the background.

343.	Jay Pritzker Pavilion, view from scaffolding, August 10, 2003	Skyscrapers; Streets; Hoisting machinery; Trees;	View of Washington Street taken from scaffolding in the headdress. Steel panels have been attached to part of the headdress, visible in the lower right corner of the photograph.

344.	Jay Pritzker Pavilion, constructing the ceiling, November 14, 2003	Construction workers; Ladders; Scaffolding; Sawhorses; Ceilings;	View of the wooden ceiling during construction from the scaffolding just below. The wooden panels and the angular shape of the roof and stage help direct sound back towards the orchestra, resulting in...

345.	Jay Pritzker Pavilion, constructing the ceiling, ca. November 14, 2003	Construction workers; Ladders; Ceilings; Shovels; Sawhorses;	View of the wooden ceiling during construction from the scaffolding just below.

346.	Jay Pritzker Pavilion, constructing the ceiling, November 14, 2003	Ceilings; Scaffolding;	View of the wooden ceiling during construction.

347.	Jay Pritzker Pavilion, constructing the ceiling, November 14, 2003	Ceilings; Ladders; Scaffolding;	View of the wooden ceiling during construction. The smaller circles in the wood are for the acoustics on stage.

348.	Jay Pritzker Pavilion, constructing the ceiling, November 14, 2003	Scaffolding; Ladders; Construction workers; Ceilings;	View of the wooden ceiling during construction from the scaffolding just below. The wooden panels and the angular shape of the roof and stage help direct sound back towards the orchestra, resulting in...

349.	BP Bridge, structural steel, November 12, 2003	Streets; Surveying equipment; Skyscrapers;	View of the western approach span taken from the eastern approach span of BP Bridge before the center span was added. Some of the stainless steel shingles, or "scales" have been installed on the Bridge...

350.	BP Bridge, subframing, October 13, 2003	Structural frames;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge, and the slanted subframing for the stainless steel shingles, or "scales", that go on the Bridge's...

351.	BP Bridge, subframing, October 13, 2003	Structural frames; Trees; Hoisting machinery; Skyscrapers;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge, and the slanted subframing for the stainless steel shingles, or "scales", that go on the Bridge's...

352.	BP Bridge, subframing, October 13, 2003	Structural frames; Scaffolding; Skyscrapers;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge. Newly installed stainless steel shingles, or "scales", are visible on a curve of the Bridge in...

353.	BP Bridge, subframing, October 13, 2003	Structural frames; Construction equipment;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge, and the slanted subframing for the stainless steel shingles, or "scales", that go on the Bridge's...

354.	BP Bridge, subframing, October 17, 2003	Structural frames; Skyscrapers; Hoisting machinery; Cantilever construction;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge, and the waterproofing on the concrete ramp of the Bridge. The trellis and headdress of the Jay...

355.	BP Bridge, subframing, October 13, 2003	Structural frames; Construction workers; Trees;	View of the vertical subframing for the metal sheeting that will go on the interior sides of the BP Bridge, and the slanted subframing for the stainless steel shingles, or "scales", that go on the Bridge's...

356.	Jay Pritzker Pavilion, headdress, March 4, 2003	Cantilever construction; Hoisting machinery; Skyscrapers;	View of the underside of the headdress. The Michigan avenue street wall is visible in the background.

357.	Jay Pritzker Pavilion, newly installed panels, May 29, 2003	Scaffolding; Hoisting machinery; Cantilever construction; Construction workers;	View of the underside of the headdress during construction, showing structural steel and steel panels. Green scaffolding, which supported the headdress during its construction, is also visible.

358.	Jay Pritzker Pavilion, view with steel panels, May 13, 2003	Scaffolding; Cantilever construction; Hoisting machinery; Construction workers;	View of the underside of the headdress during construction, showing structural steel and steel panels. Green scaffolding, which supported the headdress during its construction, is also visible.

359.	BP Bridge, concrete foundation ramp, October 17, 2003	Structural frames; Pails; Trees; Skyscrapers;	View of the top of the concrete foundation ramp. Subframing for the stainless steel shingles, or "scales", can be seen along its sides.

360.	BP Bridge, concrete foundation ramp, October 17, 2003	Structural frames; Trees;	View of the top of the concrete foundation ramp. Subframing for the stainless steel shingles, or "scales", can be seen along its sides.