Guide leaflet, geological science field trip, Lawrenceville area : Lawrence and Crawford Counties, Birds, Vincennes, Sumner and Hardinville Quadrangles /

April 13, 1957.

Guide leaflet, geological science field trip, Port Byron area : Rock Island County, Port Byron, Cordova and Erie quadrangles /

September 17, 1955.

Guide leaflet, geological science field trip, Monmouth area, Warren County : Monmouth and Alexis quadrangles /

"Revised January 1964"--P. 10.

Guide leaflet, geological science field trip, Lena area : Stephenson and Jo Daviess Counties, Lena, Elizabeth and Galena quadrangles /

September 9, 1961.