A biennial report for ... /

Title from cover.

CATV and its implications for libraries : proceedings of a conference /

Includes bibliographical references and index.

Earth science field trip, guide leaflet : Metropolis area : Massac, Pope and Johnson Counties : Paducah, Brownfield, Vienna and La Center Quadrangles.

"April 11, 1959."

Earth history field trip for high school science teachers : Jacksonville, Illinois, October 22, 1949 /

Gilbert O. Raasch, Conference director; Principal John Agger, Conference host.

Guide leaflet, geological science field trip, Wheaton area : DuPage and Kane Counties, Wheaton, Barrington, Elgin and Geneva quadrangles /

April 29, 1962.

Rock Island-Moline area : Rock Island County, guide leaflet for Illinois Academy of Science /

"May 6, 1950."

Guide leaflet, geological science field trip, Milan-Rock Island area : Rock Island and Henry Counties, Miland, Coal Valley, Port Byron, Green Rock, Davenport East and Silvis quadrangles /

September 17, 1960.

Annual report : May 1, 1986 - April 30, 1987 /

Cover title.

Harrisburg area : Harrisburg and Brownfield Quadrangles /

"April 7, 1951."

Geological science field trip guide leaflet : Hamilton area, Hancock County : Keokuk, Carthage, Fort Madison, and Lomax Quadrangles.

Bibliography included in abstract.

Chester area : Randolph County /

"April 8, 1950."

Earth history field trip for high school science teachers : Vienna, Illinois, November 5, 1949 /

Gilbert O. Raasch, Conference director; Principal B.W. Hunsaker, Conference host.

Quincy area : Adams County : Quincy and Mendon Quadrangles /

"October 21, 1950."

Bloomington-Normal area : McLean County, Danvers, Normal, LeRoy, and McLean quadrangles.

"April 24, 1954."

Shelbyville area : Shelby County /

"April 22, 1950."