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This booklet contains all requirements for materials as printed in the Specifications for Highway Construction dated May 1,1959.

Standard Specifications for Highway Construction was published by Minnesota Department of Highways, effective January 1, 1964.

This booklet contains all requirements for materials as printed in the Standard Specifications for Highway Construction dated January 1, 1964.

Supplemental Specifications for Highway Construction, February 1, 1966 is a supplement to Standard Specifications for Highway Construction, January 1, 1964.

Standard Specifications for Highway Construction was published by Minnesota Department of Highways, effective July 1,1938.

Supplements 3 and 4, effective March 1, 1940, are supplements to Specifications for Highway Construction, July 1, 1938.

Supplemental Specifications to the 1988 Standard Specifications for Construction, January 2, 1991.

Supplemental Specifications to the 1988 Standard Specifications for Construction, May 2, 1994.

Standard Specifications for Construction, 1995 was published by Minnesota Department of Transportation, effective July 1, 1995. It also includes the Supplemental Specifications to the 1995 Standard Specifications for Construction, November 20, 1995.

Supplemental Specifications for Highway Construction, July 1, 1969 is a supplement to Standard Specifications for Highway Construction, January 1, 1968.