Specification for the design, fabrication and erection of structural steel for buildings : adopted April 17, 1963 /

"Publ. no. S310-8/65; reprinted from Manual of steel construction"--p. [4] of cover.

Atlas of total ozone, April 1970-December 1976 /

"This atlas covers the entire period of regular observations with the backscattered ultraviolet (BUV) instrument on Nimbus-4 from April 1970 through December 1976"--Pref.

$79,695,000 State of Illinois general obligation refunding bonds, Illinois FIRST : series of April 2002.

"Due: April 1, as shown below"

$150,000,000 State of Illinois Build Illinois Bonds (sales tax revenue bonds) Illinois FIRST : series of April 2002.

"New issue - book-entry only."

$80,000,000 State of Illinois general obligation refunding bonds, Illinois FIRST : series of April 2002.

"Due: April 1, as shown below."

$150,000,000 State of Illinois general obligation bonds, series of April 2007.

The purpose of the Official Statement Addendum is to set forth the details of sale of the $150,000,000 General Obligation Bonds, Series of April 2007 (the "Bonds"), sold by the State of Illinois (the "State") on April 16, 2007. The Bonds will mature on April 1 of each of the years in the amounts and bearing interest as follows: ... Payment of the principal of the interest on the Bonds naturing on April 1, 2013 through April 1, 2032, inclusive (the "Insured Bonds"), when due, will be guaranteed by a municipal bond insurance policy issued by Financial Guaranty Insurance Company(the "Insurer" or "FGIC") simultaneously with the delivery of the Bonds.

$150,000,000 general obligation bonds series of April 2007.

"Date of sale: April 12, 2007 ; expected date of issuance (delivery): April 19, 2007."

A biological investigation of the Kishwaukee River and its tributaries (segment A-02 of the Rock River Basin April-July, 1976 /

Bibliography: p. 37.

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

American prints from the Illinois State Library collection : [exhibition] April 15-May 27, 1984, Illinois State Museum, Springfield.

Mode of access: Internet.

An intensive survey of the Skokie River (Segment A-01 of the Des Plaines River Basin), April-December, 1978 /

Bibliography: p. 66-67.

Emil Armin, 1883-1971 : Illinois State Museum, Springfield, April 27 - June 8, 1980 /

Bibliography: p. 29.

Evaluation of the 2006 Illinois "Click It or Ticket" Campaign, April 24-June 18, 2006 /

Evaluates the impact of the "Click It or Ticket" campaign (May 2006) by using statewide public opinion and observational surveys of licensed Illinois drivers.

Final opinion on rehearing, filed on April 20, 1927 by the Supreme Court of Illinois in the O'Gara Coal Company vs. Louis L. Emerson, secretary of state.

Published by the Corporation Trust Company, Chicago.

Illinois crafts '81 : a competitive exhibition of contemporary crafts, March 8-April 19, 1981, Illinois State Museum, Springfield.

Mode of access: Internet.