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Photographer Unknown (7) Neighborhood Loop (Chicago, Ill.) (7) Subject.TGM Construction Workers (4) Skyscrapers (3) Trailers (3) Hoisting Machinery (2) Scaffolding (2) Show more...

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	Image:	Title:	Subject.TGM:	Description:

1.		Jay Pritzker Pavilion, construction of Great Lawn, October 17, 2003	Construction workers; Hoisting machinery; Scaffolding; Skyscrapers; Construction equipment	Workers add layers of green roofing material to the future site of the Great Lawn. Built atop two stories of parking garages and railroad tracks, Millennium Park is one of the largest intensive green roofs...

2.		Jay Pritzker Pavilion, construction of Great Lawn, October 17, 2003	Construction workers; Hoisting machinery; Scaffolding; Skyscrapers; Construction equipment	With the trellis in place, workers begin constructing the Great Lawn. Built atop two stories of parking garages and railroad tracks, Millennium Park, at 24 ½ acres, is one of the largest green roofs in...

3.		Jay Pritzker Pavilion, construction of Great Lawn, October 28, 2003	Dump trucks; Trailers; Construction workers;	A truck pours gravel onto the future site of the Great Lawn, atop layers of green roofing material for drainage, insulation and waterproofing. The gravel is part of the drainage layer of the green roof,...

4.		Jay Pritzker Pavilion, construction of Great Lawn, October 28, 2003	Dump trucks; Trailers; Flags;	Looking east as a truck pours gravel onto the future site of the Great Lawn, atop layers of green roofing material for drainage, insulation and waterproofing. The gravel is part of the drainage layer of...

5.		Jay Pritzker Pavilion, construction of Great Lawn, November 21, 2003		Close-up view of a layer of gravel on the future site of the Great Lawn. The gravel is part of the drainage layer of the green roof, which keeps the lawn from becoming waterlogged and allows it to dry...

6.		Jay Pritzker Pavilion, construction of Great Lawn, November 21, 2003		Close-up view of a layer of gravel on the future site of the Great Lawn. The gravel is part of the drainage layer of the green roof, which keeps the lawn from becoming waterlogged and allows it to dry...

7.		Jay Pritzker Pavilion, construction of Great Lawn, November 21, 2003	Construction workers; Pails; Automobiles; Trailers; Skyscrapers;	A layer of gravel on the future site of the Great Lawn. The trellis is visible overhead. The gravel is part of the drainage layer of the green roof, which keeps the lawn from becoming waterlogged and allows...

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