Iowa Department of Transportation Major Items - Preliminary Quantity Report, November 15, 2011; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, December 20, 2011; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, January 18, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, February 21, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, March 20, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, April 17, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, May 15, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, June 19, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, July 17, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, August 21, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, October 16, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, September 18, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, November 20, 2012; With Addendums

Weekly letting report.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, December 18, 2012; With Addendums

Weekly letting report.