Geology and mineral resources of the Beardstown, Glasford, Havana, and Vermont quadrangles /

Includes bibliographical references and index.

Geology and mineral resources of the Joliet quadrangle ... /

Reprinted from Illinois. State geological survey. Bulletin no. 51.

Library.

Description based on: 1907.

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

April 29, 1962.

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.

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.

Geology and geography of the Galena and Elizabeth quadrangles,

Includes bibliographical references and index.

Chester area : Randolph County /

"April 8, 1950."

Quincy area : Adams County : Quincy and Mendon Quadrangles /

"October 21, 1950."

Circulars and bulletins /

Mode of access: Internet.

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

"April 24, 1954."

Shelbyville area : Shelby County /

"April 22, 1950."

Warsaw area : Hancock County /

"September 27, 1947."

Biennial report.

Report year ends December 1.