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.

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.

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

Bibliography included in abstract.

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.

Guidebook for the South Carolina coastal plain field trip of the Carolina Geological Society : Nov. 16-17, 1957 /

"Prepared in cooperation with the U. S. Geological Survey."

Illinois State Academy of Science geology field trip, guide leaflet : Springfield area : Springfield County : Springfield and Divernon Quadrangles /

"May 5, 1956."

Guide leaflet, geological science field trip, Greenup area : Cumberland County, Casey, Kansas, Oakland and Toledo quadrangles /

September 26, 1959.

Guide leaflet, geological science field trip, Greenville area, Bond and Montgomery counties : Greenville, Hillsboro, Mt. Olive, and New Douglas quadrangles /

"October 20, 1962."

Guide leaflet, geological science field trip, Peoria area : Peoria, Fulton and Tazewell Counties, Peoria, Canton, Glasford, Dunlap, Elmwood, and Maquon quadrangles /

September 22, 1962.

Guide leaflet, geological science field trip, Fulton area : Carroll and Whiteside Counties, Clinton and Savanna quadrangles /

September 13, 1958.

Guide leaflet, geological science field trip, Macomb area : McDonough County, Macomb and Colchester quadrangles /

May 9, 1953.

Guide leaflet, geological science field trip, Rosiclare area : Hardin County, Golconda, Cave in Rock, Shawneetown, and Equality Quadrangles /

April 12, 1958.

Guide leaflet, geological science field trip, Bloomington-Normal area : McLean County, Danvers, LeRoy, McLean, and Normal quadrangles /

May 4, 1957.