Guidelines and specifications for the Green Cleaning Schools Act (105 ILCS 140).

"May 2008"--Colophon.

Post-war public works handbook for local government agencies under Senate bill 303. Outline of procedure to be followed by local agencies when making application for assistance under Senate bill 303 in the preparation of plans, specifications and estimates of cost.

At head of title: State of Illinois ...

Road and bridge construction specifications for AASHO road test project.

Research authority: National Academy of Sciences, Highway Research Board.

Standard specifications for road and bridge construction /

Description based on: Adopted Jan. 2, 1971.

Specifications for the bituminous surface treatment of gravel and crushed stone surfaces, subclass A-1.

Mode of access: Internet.

Specifications for bituminous road mix surface dense-graded aggregate type, subclass B-1 : effective June 1, 1937 ...

At head of title: ... U.S. Bureau of Public Roads' class B.

Specifications for bituminous surface dense-graded aggregate type, subclass B-2 (Machine mix) : effective July 15, 1937.

Reproduced from typewritten copy.

Specifications for bituminous surface dense-graded aggregate type, subclass B-3 (Plant mix) : effective May 15, 1939.

Mode of access: Internet.

Specifications for bituminous road-mix surface dense-graded aggregate type, subclass C-1 : effective June 1, 1945.

Reproduced from typewritten copy.

Specifications for bituminous road-mix surface open-graded aggregate type, subclass C-2 (Bituminous retread-asphalt and tar) : effective May 15, 1939 ...

Cover-title.

Specifications for bituminous surface, open-graded aggregate type, subclass C-5 (Machine mix-emulsified asphalt) : effective July 1, 1945.

Reproduced from typewritten copy.

Specifications for bituminous surface dense-graded aggregate type, subclass C-6 (Machine mix) : effective September 1, 1937.

At head of title: ... U.S. Bureau of Public Roads' class C.

Specifications for sandstone rock asphalt (Kentucky) surface course, subclass G-1 : effective January 15, 1941.

Reproduced from typewritten copy.

Specifications for tar concrete surface course, coarse open-graded aggregate type, subclass H-3, nonproprietary, cold-lay : effective August 1, 1945.

Reproduced from typewritten copy.

Specifications for bituminous concrete binder and surface courses, coarse dense-graded aggregate type, subclass I-1, nonproprietary, hot-mix : effective April 1, 1945.

Reproduced from typewritten copy.