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Other stories by Michael Fielding

• Avoid full reconstruction with ultra-thin whitetopping

  Mill-and-overlay alternative adds a decade of service life to industrial park streets and saves a Chicago suburb almost $11 million.

• The return of vitrified clay pipe

  A new generation of engineers is learning why their predecessors specified more than 5 billion feet for the nation's sewers.

• Update: "Hallowed ground" May 2006, page 30

  Running on Recycled Waste

• Mica: Give states more discretion

• Update: "Blacktop goes green" December 2007, page 56

  Caution: wet paint

• EPA soliciting comments on chromium-6

• Update: "Capture, convert, cash in" May 2009, page 41

  Revenue stream

• Mica gets nod for T&I; Dems undecided

• Continent's largest UV post-GAC project

• World's largest renewable fuel system